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+*** START OF THE PROJECT GUTENBERG EBOOK 59825 ***
+
+
+
+
+
+
+
+
+
+
+
+
+ A CASE OF SUNBURN
+
+ BY CHARLES L. FONTENAY
+
+ _In the past year the Martian rebels
+ had been pushed back to the wall. All
+ that was left to them was Plan Blue.
+ And_ what _was Plan Blue_...?
+
+ [Transcriber's Note: This etext was produced from
+ Worlds of If Science Fiction, April 1957.
+ Extensive research did not uncover any evidence that
+ the U.S. copyright on this publication was renewed.]
+
+
+Jonner's hand dropped to his pistol and he edged cautiously behind a
+big rock as another groundcar appeared among the dunes to the south and
+approached the little group of men. He was sure Sir Stanrich had told
+him there were to be four others in his little task force: and there
+were four with him now.
+
+But the new groundcar did not approach like a hostile patrol car. There
+was an air of confidence about the way its driver swung it up to the
+others. Jonner held his hand, thinking furiously, as the airtight door
+swung open and the newcomer leaped lightly to the ground.
+
+The sun was settling over the iron-red wastes of the Isidis Desert. The
+groundcars clustered like giant beetles at the top of the cliff that
+dropped straight down to the shadowed lowland of Syrtis Major. The six
+men in marsuits, huddled at rendezvous, kept their helmet radios low,
+for Mars City was less than fifty miles east of them.
+
+With the twilight, the blue mist of Mars was beginning to settle toward
+the ground.
+
+Jonner debated with himself. Could he have misunderstood Sir Stanrich?
+Or could the plans have been changed after he left the Isidis
+spaceport? No. Then who was the sixth man? And which man was he?
+
+"Regina fell right after I left," said the burly, gray-haired man.
+That would be Tyruss, the former space captain, who had come here from
+Regina. "Our troops were falling back along the Hadriacum Lowland. I
+suppose they plan to make a stand before Charax."
+
+"No, Charax is to be evacuated tonight," said Jonner, and savored the
+shock of that announcement on his hearers.
+
+He studied the credentials each man had handed him on arrival. There
+was Tyruss, from Regina. There was Farlan, an astrogator from the
+Rebel defenses in the Strymon Canals, and there was Aron, who had just
+arrived, a space engineer from the Hadriacum front. There were Stein,
+an astrogator, and Wessfeld, an engineer, who had come together in one
+groundcar from Charax.
+
+The credentials were all alike, except the names. But one of them
+was--must be--a Marscorp spy.
+
+ * * * * *
+
+Jonner could not check with Sir Stanrich by radio--Mars City was
+too close, and they would be overheard. He had no time to spend
+investigating his personnel--Sir Stanrich had impressed on him that
+their mission must be carried out on schedule.
+
+He decided he would not tell them just yet that one of them could not
+be trusted. He might be able to trip the spy. But he said:
+
+"One or more of us may be killed or captured, so I'm going to brief
+everyone. No matter how many of us are lost, those who are left must
+carry out the mission. What were you told about this?"
+
+"I was told to meet you here and follow your instructions. I was told
+it's a dangerous and important assignment. That's all," said Tyruss.
+The others murmured agreement.
+
+"The instructions I give you won't be mine, but those of Sir Stanrich
+O'Kellin, supreme commander of the Rebel forces," said Jonner. He
+squatted on the sand and the others crowded around in the blue twilight
+as he sketched diagrams with his gloved hand while he talked:
+
+"As some of you may have learned, the Charax Rebellion is in danger of
+collapsing, because our supplies have been running out since Marscorp
+intercepted and destroyed our last space fleet from Earth. Plan Red,
+which was our master plan for defeating Marscorp in the field by
+capturing the dome-cities one by one, has failed. Regina and Charax are
+being evacuated because we couldn't hold them much longer anyway, and
+all our people are being transported around the Marscorp territory to
+the secret underground spaceport we established in the Isidis Desert
+two years ago.
+
+"This is a temporary measure, to prepare for Plan Blue, our last-gasp
+emergency plan. Marscorp will no doubt find the location of the
+underground base by observation of the refugees, but we hope to
+have Plan Blue in operation before they can shift their forces from
+Hadriacum to the desert and break through our defenses."
+
+"I've heard rumors of this Plan Blue," said Farlan, a slight man with
+blond hair. "What is it?"
+
+"I don't know," conceded Jonner candidly. "I don't think anyone does
+but Sir Stanrich and a few of our top strategists. But our part of it
+is this:
+
+"You may not know it, but we lost our last G-boat when we pulled that
+unsuccessful attack on Phobos early this year. We do have an old
+spaceship, riding in a polar orbit, that Marscorp doesn't know about,
+but no way to get up to it. Our job is to capture a Marscorp G-boat,
+get to that spaceship, capture The Egg and tow it into an Earthward
+orbit."
+
+"The Egg?" repeated Stein, a dark, chubby fellow. "You mean that ovoid
+space station of Marscorp's with the antennae sticking out all over it?
+I've seen that thing floating up there. I always wondered why we didn't
+blast it."
+
+"Not important enough," said Jonner. "It's an experimental laboratory
+that amplifies the magnetic field of Mars, and they've been
+experimenting with it as an auxiliary power station. But neither side
+is bothered by any lack of power from the atomic energy sources on
+Mars."
+
+Tyruss appeared annoyed at this.
+
+"Tell me something, Jonner," he demanded. "If it wasn't important
+enough to blast when we had the ships to do it, why is it important
+enough for us to capture now?"
+
+"I don't know," said Jonner. "Those are our orders. Now, we leave the
+groundcars here and go on foot to Marsport. Check equipment, everyone."
+
+"Say," commented Farlan after a moment, "I don't seem to have any
+sunburn lotion."
+
+"You can have mine," said Aron, laughing. "This far from the sun, I
+haven't been sunburned yet, and don't expect to be."
+
+"Haven't been on Mars a year yet, have you?" suggested Tyruss.
+
+"No," admitted Aron. "I came from Earth with the last space fleet and
+escaped in a lifeboat. Why?"
+
+"There's an Earth-sun conjunction coming up. Every time the Earth
+swings between Mars and the sun, everybody on Mars gets a bad sunburn.
+When it comes, you better cover yourself with lotion, because clothes
+don't protect you and even if you're in a city, the domes and house
+roofs are transparent to pick up the sun's heat."
+
+"We have enough among us," said Jonner. "Besides, if our mission goes
+off on schedule, we'll be back at base by the time the Earth-sun
+conjunction starts. Let's head for Marsport."
+
+ * * * * *
+
+The six men crouched in the concealing canal sage near the edge of
+Marsport, the spaceport outside Mars City. The blue mist was a heavy
+fog that swirled around them.
+
+In the lighted circle of the spaceport area three stubby, two-stage
+gravity-boats sat upright, about a hundred yards apart. These were the
+heavy duty rockets that plied back and forth to Phobos, Mars' inner
+moon and Marscorp's natural space station, entering the planetary
+atmosphere of Mars where spaceships could not go. Workmen stirred
+busily around one of the G-boats; a guard stood at the entrance port of
+each of the other two.
+
+Jonner tried to assess the evidence, to decide which of his five
+companions was the Marscorp spy. How Marscorp had found out about the
+expedition, how the credentials had been forged, how the rendezvous had
+been learned, did not matter now. Marscorp could not know their plans
+beyond the rendezvous in the desert, because only he and Sir Stanrich
+had known the orders Sir Stanrich had given him for this mission.
+
+The fact that Stein and Wessfeld had arrived together from Charax
+eliminated them as suspects, for the Charax command would have known
+whether one or two men were to be sent from there.
+
+Jonner did not believe Tyruss was the spy. Jonner had won his space
+papers just before the Rebellion began, but it was logical that Sir
+Stanrich would send a more experienced space captain to handle their
+ship.
+
+That left Farlan and Aron, from different sections of the Hadriacum
+front. Which one? In their specialties, Farlan was an alternate to
+Stein as an astrogator, Aron an alternate to Wessfeld as an engineer.
+But every spaceman could handle every other spaceman's duties in an
+emergency, and it was hard to say which task they had decided to double
+up on.
+
+Jonner expected the spy to make some move here, tonight, and he had
+prepared for it on the way from the desert. One earphone of his helmet
+receiver was tuned with his speaker to the Rebel band they used,
+the other was tuned to the local frequency used by Marscorp. Jonner
+listened with one ear to the occasional reports and orders that were
+passed around the spaceport.
+
+Jonner punched Tyruss, next to him, twice on the shoulder. It was the
+signal. The six men rose and moved forward together.
+
+The sentry who loomed before them had no chance. A heat-gun beam is
+invisible. They cut him down and scurried to the edge of the spaceport,
+into the circle of light, running in long leaps toward the nearest
+G-boat.
+
+It was as they broke from the canal sage that the thing happened which
+Jonner had expected. The words were shouted into the earphone attuned
+to the Marscorp band: "Attention, Marscorp! Att...."
+
+Jonner pressed a button on his belt, and his other defense went
+into action. A scrambler beam cut in on the attempted warning, and
+everything on that channel dissolved into a buzzing roar.
+
+Jonner cast a glance down the line of his companions, but they were too
+far separated for him to see whether any of them was talking into his
+helmet microphone.
+
+Some of the workmen at the far G-boat saw them running across the
+field, and scattered in alarm, but the scrambling prevented them from
+warning others through helmet communicators. The guard at the G-boat
+that was their goal saw them when they were fifty feet away. He was cut
+down as he tried to duck around the G-boat.
+
+They ran up the ramp. Jonner, first to reach the port, stopped and
+tried to watch his companions as they hurried past him. Tyruss was
+fumbling at some control on the belt of his marsuit. His radio channel
+control?
+
+Armed men were converging on the G-boat from all over the field as
+Jonner slammed and fastened the port. They scrambled up to the nose of
+the G-boat, and he and Tyruss sank into the pilots' seats.
+
+"Strap down for blast-off!" shouted Jonner, and wished viciously that
+the spy would still be tuned on the Marscorp band and fail to hear him.
+But everyone strapped down, hurriedly.
+
+A score of Marscorp soldiers were standing around the G-boat, firing
+up at its ports with heat-guns. The beams were futile, for G-boats
+were built to stand frictional temperatures it would take a heat-gun
+minutes to build to. Halfway across the field, a squad of men wheeled
+an anti-tank gun into position.
+
+The gentle gravity of Mars quadrupled as the G-boat strained upward
+on roaring jets, gathering speed. Through the port, Jonner saw the
+anti-tank gun's muzzle elevate and blossom flame. There was no impact;
+and there was no opportunity for another shot.
+
+The G-boat curved eastward in a long ascending arc. The first stage
+dropped off over the Aerian Desert, and in a few moments they were in
+free fall.
+
+ * * * * *
+
+Jonner unstrapped and floated to each man in turn, examining his
+control belt. Farlan's channel dial was a fraction off the band they
+used.
+
+"Farlan, your radio control's off center," said Jonner quietly.
+
+"What?" said Farlan's voice, blurred a little. He fumbled at the dial,
+and his words came in clearly. "Must have hit it against something."
+
+Or he could have missed a little when he returned the dial to channel
+after trying to warn Marscorp. But Tyruss had been fumbling with
+something on his belt as they ran onto the G-boat. No, it wouldn't do
+to make an accusation against the wrong man.
+
+An automatic calendar on the G-boat's control board showed the date:
+upright, the Martian date, Aster 32, 24; reversed, the Earth date,
+June 1, 2020.
+
+Jonner looked down through the port at the inhabited hemisphere of Mars
+unfolding below them. Those green lowlands, those red deserts, now
+were all in Marscorp hands--even the cradle of the Charax Rebellion,
+the dome-city of Charax, at the edge of the edge of the Tiphys Fretum
+Lowland in the south polar area.
+
+There, six Martian years ago, the rebellion had flared bravely against
+the Mars Corporation. Marscorp had held a monopoly on space travel
+between Earth and Mars since the first Martian colony was established
+at Mars City in the Earth year 1985. For the supplies Marscorp brought
+from Earth, the price was kept high. Marscorp also was the OGM--the
+Official Government of Mars, or, as the colonists read the initials,
+"Old Greedy Marscorp"--and Marscorp made and enforced the laws.
+
+It had been a fairly even match at first. Marscorp's initial monopoly
+of the supply lines had been overcome when many of the people on Earth
+were roused to sympathy for the Rebel cause. Gradually, the Rebels had
+invested much of the Hadriacum Lowland with its dome-farms and had
+captured Regina, another of the planet's six dome-cities.
+
+That had been before the disastrous space battle of the year 23. Now,
+in the past year, the Rebels had been pushed back to the wall. All that
+was left to them was Plan Blue. And what was Plan Blue?
+
+Jonner looked over his five companions. All helmets were off now, and
+Jonner couldn't detect a guilty look in any face. He had never seen
+such pure unanimity of apparent innocence and loyalty.
+
+"Now that we're aspace, we'll go on the customary shifts," he said:
+"eight hours duty, eight hours sleep, eight hours free time. We'll pair
+off: Stein with Farlan, Wessfeld with Aron, Tyruss with me.
+
+"And these are special orders: no one is to let the man with whom he is
+paired out of his sight."
+
+He would not tell them more than that now; he hoped to trap the spy
+when they approached The Egg.
+
+ * * * * *
+
+The spaceship slid up orbit, overtaking the shining ovoid from which
+antennae sprouted like pins from a pin-cushion. The captured G-boat was
+lashed to the spaceship's side.
+
+"You'd think they'd have some defenses, anyhow," grumbled Tyruss,
+watching the ovoid on the screen.
+
+"Why?" countered Jonner. "They knew we didn't have any G-boats left,
+and they didn't know we had any spaceships left, either. Of course,
+they don't know this is our target, but I'll bet they have some ships
+from Phobos on the way here now, anyhow."
+
+Their timing was just right. Thirty minutes later The Egg would swing
+around the limb of Mars, in line of sight with Marsport. But so far
+there had been no chance for The Egg to receive a radio warning of the
+stolen G-boat.
+
+The spaceship pulled abreast of The Egg and Jonner and Tyruss went
+across to it in spacesuits. They passed through the airlock to find The
+Egg's crew of three waiting with welcoming smiles. The smiles faded at
+the sight of their levelled heat-guns.
+
+"Sorry you weren't expecting us," said Jonner, opening the face-plate
+of his spacesuit with his left hand. "You'll have to get into
+spacesuits."
+
+They sent their captives through the airlock and across the
+intervening space to the spaceship, where the others would be awaiting
+them. Then Jonner and Tyruss searched The Egg for other Marscorp
+personnel. They found none.
+
+"We'd better get a line on her and get under way before those ships
+from Phobos can get here," said Tyruss.
+
+"Right," agreed Jonner, and they got busy.
+
+A towline secured between the two vessels, Jonner and Tyruss returned
+to the spaceship. The three Marscorp captives had been secured by
+chains to stanchions on the storage deck, just above the engine deck.
+Stein and Farlan, the engineers, were standing by.
+
+"We're getting under way," Tyruss told them.
+
+Stein and Farlan descended to the engine deck, and Tyruss and Jonner
+climbed to the control deck. On the centerdeck, Aron and Wessfeld, the
+astrogators, were asleep.
+
+Tyruss climbed into the control chair and switched the radio to the
+Marscorp band. A voice blared from the communicator:
+
+"Marscorp calling The Egg. Marscorp calling The Egg. Come in, Egg. Can
+you hear us, Egg? Rebels captured G-boat here. Double alert. Marscorp
+calling...."
+
+Tyruss switched it off, laughing.
+
+"A little late," he commented.
+
+"Yes," said Jonner. "Keep the receiver on that band, Tyruss, because we
+won't be hearing from our side. But, until we finish our mission, I'm
+going to disconnect the sending equipment."
+
+Jonner floated to the other side of the control deck and moved around
+behind the control board. He was busy disconnecting wires, a few
+minutes later, when he heard an exclamation from Tyruss.
+
+He peeked around the edge of the control board. The three Marscorp
+captives were floating up the companionway from below, heat-guns in
+their hands!
+
+"Keep your hands off those controls, Reb," warned one of them. "This
+ship's staying right here."
+
+"Wasn't there another one in this gang, Robbo?" asked another.
+
+Tyruss twisted in his chair and reached for his heat-gun. One of the
+Marscorp men rayed him through the throat.
+
+Cautiously, Jonner poked the muzzle of his heat-gun around the edge
+of the control board. Methodically, he shot the three Marscorp men,
+one by one. They died without discovering the source of the invisible
+heat-beam that cut them down.
+
+Tyruss was dead. Cursing, Jonner went below, heat-gun in hand. On the
+centerdeck, Wessfeld's body floated. Wessfeld was dead, burned through
+the chest. Aron was not there.
+
+He found all three of the others, locked in the airlock, without
+spacesuits. Jonner watched Aron suspiciously as they emerged.
+
+"What happened?" he demanded of Aron.
+
+"I don't know," disclaimed Aron. "They woke us up. They had heat-guns
+then. Wessfeld tried to reach his, and they shot him. Stein and Farlan
+were already in the airlock when they brought me down."
+
+"Stein, were you and Farlan constantly in sight of each other,
+as ordered?" asked Jonner, watching Aron. Did Aron's eyes widen
+apprehensively?
+
+Stein started.
+
+"Why, no," he admitted. "Farlan was on the engine deck, and I was
+down in the airlock checking the spacesuits before blast-off. That's
+routine, you know. They herded Farlan down and caught me by surprise."
+
+"That's right," said Farlan. "I was checking the engines when they came
+through the hatch from above with heat-guns."
+
+"Damn!" exploded Jonner. "I gave everyone strict orders--all right,
+it's too late now. It just cost us two men, and one of the four of
+us left is a Marscorp spy. Everyone get above and strap down for
+acceleration."
+
+The spy was Aron or Farlan, but he still didn't know which. Aron could
+have feigned sleep, and slipped down to the storage deck to release
+and arm the Marscorp men. Or Farlan could have climbed from the engine
+deck and done it while Stein was in the airlock. Whoever it was, he had
+chosen to be locked in with the others--probably in case the sortie
+failed.
+
+Now they were two men short, and still he would have to pair off with
+Aron and pair Stein with Farlan. They would have to go on twelve-hour
+duty shifts, with only four hours free time.
+
+And to what purpose? As Tyruss had suggested several times, why
+couldn't they have just blasted The Egg out of space, if the purpose
+was to get rid of it? Why go to all the trouble of shifting it to an
+Earthward orbit? The Earth would be nowhere near the intersection point
+when The Egg reached Earth's orbit, if that made any difference.
+
+Jonner had at last let the others know, as he should have before, that
+one of them was a spy. But he would not tell them, as he had told
+Tyruss, that he had disconnected the radio transmitter. Let the spy try
+to get in touch with Marscorp now!
+
+ * * * * *
+
+"Jonner," said Aron, "there are a couple of blips on the radar screen
+that shouldn't be there."
+
+Jonner swung the control chair to look at the screen. There were two
+dots there, almost directly to the rear of the spaceship. Jonner
+watched them. They held their position on the screen.
+
+"I don't know," he said. "Pretty large for meteors, and there doesn't
+seem to be any lateral movement."
+
+Their ship had just begun acceleration, following a hyperbola that
+would break them free of Mars' gravity. It was a hyperbola that swung
+the ship against the direction of the planet's orbital travel, and,
+while speeding the ship away from the planet, slowed it in relation to
+the sun.
+
+Jonner and Aron were on duty on the control deck. Stein and Farlan
+slept on the centerdeck below. Two 24-hour periods had passed since
+they captured The Egg and maneuvered it into the right orbit for their
+departure from the Martian area.
+
+The blips grew on the screen, and still they did not move laterally.
+
+"Spaceships," Jonner decided.
+
+"They're following our course, and overtaking us."
+
+"Marscorp ships!" exclaimed Aron. "But Jonner, we never were in radar
+range of any Marscorp ship or installation. How could they know our
+position and course?"
+
+Without replying, Jonner arose from the control chair and went around
+behind the control board. The wires to the radio transmitter, which he
+had disconnected so carefully, had been reconnected.
+
+"Aron," said Jonner, coming back to the control chair, "go down and
+chain Farlan to his bunk. He's our Marscorp spy."
+
+"He is?" Aron's eyes widened. "How do you know?"
+
+"Because you haven't been out of my sight since we took The Egg in tow,
+and you haven't been near that control board while we were on duty.
+Stein must have let Farlan get away from him again."
+
+"Why not Stein?"
+
+"You forget. Stein and Wessfeld arrived together from Charax, at the
+rendezvous. They had to be clean."
+
+Aron unstrapped and arose.
+
+"Shouldn't we boost acceleration and try to evade them?" he asked,
+gesturing at the radar screen.
+
+"We can't now," said Jonner. "We're on an escape hyperbola and we've
+got to hold this acceleration until she runs out, or we'd throw it
+completely off."
+
+Aron went below. Jonner watched the screen anxiously. The Marscorp
+ships must have set an interception course, for their acceleration was
+much too high to be following their own escape orbit. They were getting
+closer rapidly.
+
+Jonner looked at the chronometer and at the tape still ticking through
+the ship's control mechanism. Eleven minutes was a brief time, but
+it seemed long when enemy ships were overtaking them at twice their
+acceleration.
+
+Towing The Egg, this old ship could not match the Marscorp attackers'
+acceleration. It could accelerate much faster than it was, but if he
+was to hit the Earthward orbit he had been ordered to take he would
+have to hold his present acceleration until the eleven minutes was up.
+
+And the Marscorp ships got closer by the minute.
+
+ * * * * *
+
+Aron climbed back to the control deck from below.
+
+"Farlan's tied up, and he's madder than hell," Aron reported. "Stein
+said Farlan _did_ go behind the control board on their last duty
+stretch, to 'adjust' the radio. What's the situation now?"
+
+"They've started decelerating to match our pace when they get abreast
+of us," said Jonner, indicating the rocket flares that now appeared on
+the aft visual screen.
+
+The tape suddenly ran out, and the rockets' roar faded. They were in
+free fall again.
+
+"Get into a spacesuit and cut that towline," commanded Jonner. "We're
+going to make a run for it."
+
+"We're not going to stay and guard The Egg?" asked Aron, getting a suit
+off one of the hooks.
+
+"No outside guns. This hulk was a supply ship. As soon as you get
+back in and secure the outer airlock, holler and we'll start partial
+acceleration. When you've strapped down somewhere below, holler again
+and we'll blow the tubes."
+
+While Aron went below to carry out his assignment, Jonner swung the
+ship end-to with the gyroscopes. He prayed silently that the towline
+to The Egg wouldn't foul. They'd have to head back toward Mars, for
+further acceleration in this direction would throw them, helpless, in a
+path toward outer space.
+
+The radio loudspeaker boomed:
+
+"OGM ship Phobos-29 to Rebel spaceship. Stand by for boarding or get
+blasted."
+
+The Marscorp ships were within a few miles now, slowing to match the
+pace of the Rebel ship.
+
+The outer airlock warning light flashed red, then green again.
+
+"Ready!" said Aron's voice on the ship's communicator.
+
+Jonner flicked his radio transmitter to the Marscorp beam.
+
+"Go to hell!" he announced, and depressed the firing buttons.
+
+It was uncomfortable for Aron, climbing out of the airlock, but Jonner
+threw the ship into a full G acceleration. The Marscorp ships loomed
+suddenly to each side, then faded behind them. A few futile flashes of
+gunfire blossomed from their noses. Then rings of fire appeared behind
+them as they gave chase.
+
+"Strapped down!" called Aron, and Jonner gave the rockets full blast.
+
+The ship leaped like a frantic old war-horse. Jonner was pressed down
+heavily in his control chair. Its beams and plates groaned as G was
+piled on G.
+
+The Egg was gone from the rearward screens, released and floating free
+in an Earthward orbit. The Marscorp ships fell farther behind. Then
+they stopped receding and began to grow on the screens again. Newer and
+more powerful, they were overtaking the Rebel ship.
+
+Suddenly the ship's rockets ceased firing again, and they were in free
+fall. A moment later, Aron popped up from below.
+
+"Are we hit?" he asked.
+
+"No, they aren't back in range yet," answered Jonner. "We're out of
+fuel. Maybe it's just as well they came along, because I don't believe
+this clunk had enough fuel to overtake Mars again, even if we hadn't
+blown it in that escape try."
+
+The Marscorp attackers apparently interpreted the Rebel ship's dead
+rocket tubes as a surrender. Within half an hour they had drawn
+alongside, and armed men in spacesuits came through the airlock. Farlan
+was freed of his chains, and Jonner, Stein and Aron were herded onto
+the centerdeck of one of the Marscorp ships and secured to stanchions.
+
+The Marscorp captain floated before them, looking them over quizzically.
+
+"I don't know what you fellows were trying to prove, but you're lucky,"
+he said. "If you hadn't cut your rockets when you did, we'd have
+blasted you out of space."
+
+Jonner answered out of the knowledge that no ships which had
+accelerated as these two had in the past hour would have more than
+enough fuel left to get them back to Phobos. The Egg, trailing far
+behind Mars now, would overtake the planet gradually as the pull of the
+sun sped it up, but it would pass Mars well to sunward in its plunge
+toward the orbit of Earth. Any ship that tried to intercept it from
+Mars now would fight increasing solar gravity and would run the risk of
+not getting back to Mars.
+
+"Well, we accomplished our mission, anyhow," Jonner said resignedly,
+"for whatever it's worth."
+
+"A fool's mission," said the Marscorp captain, and Jonner was inclined
+to agree with him. "The Egg was an experimental laboratory and an
+auxiliary power station, and we can build another cheaper than we could
+recover it. As for you fellows, you're better off than you realize."
+
+"How's that?" asked Stein.
+
+"Why, if you aren't tried as war criminals, you ought to be freed
+pretty quickly. According to the latest news reports from Mars City,
+our armies are driving your people back into your underground base in
+the Isidis Desert. The war will be over as soon as we've cracked that."
+
+ * * * * *
+
+Jonner, Stein and Aron lay around in the Marscorp brig on Phobos for
+more than a month. To be precise, they floated around, for Phobos had
+little more surface gravity than a spaceship in orbit. When there was
+no indication they were going to be transferred from Phobos, Jonner
+set up a howl that at last was heard in the little moon's officialdom.
+
+Jonner was taken before the adjutant of the Phobos base to air his
+complaint.
+
+"Look," said Jonner, placing both hands belligerently on the official's
+desk, "the terms of the terrestrial Space Compact apply to Mars, too.
+No prisoners of war shall be confined beyond a planetary atmosphere,
+except for so long as it is impracticable for them to be transferred to
+a surface prison."
+
+"That provision was written into the compact to permit inspection by
+neutral powers and because, ordinarily, a prisoner has some hope that
+a surface prison will be overrun by troops of his own side and he will
+be released," answered the adjutant mildly, peering at Jonner over
+old-fashioned rimless spectacles. "In your case, that's not likely to
+happen and I can't see why you're raising such a fuss. The last we
+heard up here, our troops were about to overrun your last base."
+
+"What do you mean, the last you heard?" demanded Jonner. "I heard that
+two days before we were brought to Phobos."
+
+"Radio communication with Mars has been out completely," explained the
+adjutant good-naturedly. "Static's always bad during the Earth-sun
+conjunctions, as you ought to know, being a spaceman. This time we
+haven't been able to get anything through at all."
+
+"Well, maybe it's true that we've lost and the war's about over,"
+said Jonner. "But the three of us still want to be transferred to the
+surface. Free fall can drive you nuts when you're in an eight-by-eight
+cell."
+
+"As a matter of fact," said the adjutant, "there hasn't been any
+G-boat traffic to and from the surface since the radio went out. It's
+a dangerous business, trying to land at a spaceport without any radio
+guide. But we have to send a G-boat down for supplies in a couple of
+days, and if you fellows are insistent about it, we'll send you down to
+Marsport on it."
+
+It was not two days, but more than a week later that the three of them
+were allowed to get into spacesuits and were escorted out to a G-boat
+anchored to the surface of Phobos.
+
+Above them, the orange disc of Mars filled the sky. Phobos was swinging
+across the inhabited hemisphere now, and the dark green areas of Syrtis
+and Hadriacum were plainly visible.
+
+Jonner strained his eyes upward at the red spot that was the Isidis
+Desert. Somewhere in the heart of that red spot, Sir Stanrich O'Kellin
+was directing the last-gasp stand of the Charax Rebels. They would be
+manning the underground chambers of the base, perhaps fighting in the
+corridors as the Marscorp troops battled to effect an entry.
+
+It might even be that the base had fallen by now, overrun by the
+government forces, and he and his companions would be, technically,
+free men by the time they landed at Marsport. Jonner sighed unhappily.
+He didn't want that kind of freedom.
+
+Following Stein and Aron, he climbed into the G-boat. It had a crew of
+two, plus an armed guard for the prisoners.
+
+"There'll be no unstrapping during free fall," announced the G-boat
+pilot. "Everybody will remain strapped down until we land. With the
+Earth-sun conjunction over, we've re-established radio communication
+partially, but it's spotty, and we may crash."
+
+"Is the war over?" asked Jonner.
+
+"How the hell should I know?" grunted the pilot. "We haven't had a
+single news broadcast that makes sense since the radio came back in.
+They're all chopped up with static."
+
+The G-boat lifted gently from the surface of Phobos and began its
+spiral downward toward Mars. The six men, crowded together in its
+single passenger compartment, listened to the radio that spat and
+growled over their heads.
+
+What they heard was unintelligible.
+
+"Sector Four ... squawk ... spsst!" snarled the loudspeaker.
+"Colonel ... squawk ... troops in ... squawk ... move tank squad
+to ... spsst-crack-crack!... more ambulances ... squawk ... ninety
+per cent disabled...."
+
+Periodically the pilot tried to establish contact:
+
+"G-boat MC-20 to Marsport. G-boat MC-20 to Marsport. Come in, Marsport."
+
+The attempts were futile until the G-boat had entered the atmosphere
+and was gliding high above the desert on its broad wings. Then,
+miraculously, the airwaves were clear for a moment.
+
+"Marsport to G-boat MC-20," said the loudspeaker. "Go ahead."
+
+"G-boat MC-20 to Marsport," said the pilot hurriedly. "Give us a beam.
+We're coming in for a landing."
+
+"Don't land! We're...!" exclaimed the loudspeaker, and exploded into
+static in midsentence.
+
+"What the hell do they mean, don't land?" snorted the pilot, fiddling
+frantically and uselessly with dials. "They think I've got enough fuel
+to get back to Phobos?"
+
+The G-boat held its glide and swooped down on Marsport, a tiny landing
+field and a miniature group of buildings set apart from the dome of
+Mars City. Groups of men were scurrying about at the port like ants. A
+column of smoke rose ominously from one of the buildings.
+
+The G-boat touched ground and skidded to a stop in mid-field. Its
+passengers unstrapped and the pilot opened the port.
+
+Men crowded into the G-boat, men with drawn heat-guns, men in the
+blue-and-gold marsuits of the Charax Rebels!
+
+ * * * * *
+
+Jonner, a free man again, rode into Mars City in a groundcar with Sir
+Stanrich O'Kellin. Stein and Aron had remained at Marsport for the time
+being. Marsport was completely in the hands of the Rebels, and efforts
+were being made to get through by radio to Phobos to give the Marscorp
+forces there a surrender ultimatum.
+
+"What's happened to the Mars City dome?" asked Jonner in astonishment
+as they approached the city. The once-transparent dome was cracked and
+badly discolored.
+
+"Plan Blue," answered Sir Stanrich with a smile.
+
+"Look, sir, how about telling me what happened?" said Jonner. "When we
+got captured in the middle of our wild goose chase with Marscorp's Egg,
+our troops had been driven into the ground at the Isidis base and we
+got the impression it was only a matter of time before that fell. Then
+the radio goes out for a few days and we land here to find Mars City
+overrun with our troops."
+
+"Why," said Sir Stanrich, his mustache quirking mischievously, "we
+counter-attacked. We came out of the base, defeated the Marscorp army
+there, drove across the desert to Mars City and took it. Task forces
+are out now, taking over the other cities. That's all there is to it."
+
+"Simple!" snorted Jonner. "Except that they outnumbered us four or five
+to one, and probably outgunned us more than that."
+
+"Science wins wars now; my boy, not numbers and guns."
+
+They had entered the Mars City airlock and were driving down the broad
+Avenue of the Canals. Rebel soldiers swarmed through the city. The few
+men and women they saw in Marscorp uniforms staggered around, groping
+blindly, their faces and arms fiery red and peeling from sunburn.
+
+"You'll get a medal out of it, too," commented Sir Stanrich.
+
+"Why? Why me?"
+
+"Because you followed orders, even though your mission appeared
+useless. It was your 'wild goose chase' that made our victory possible.
+
+"You see, only the blue mist of Mars protects its surface from the hard
+rays of the sun. Without it, we'd have no more protection than a naked
+man in space. The reason we're in for a bad sunburn every year is that
+the blue mist dissipates partially at every Earth-sun conjunction."
+
+"But what would The Egg have to do with that?" asked Jonner.
+
+"The Egg amplifies the effect of magnetic fields, the way a lens
+concentrates light rays," answered Sir Stanrich. "It's the Earth's
+magnetic field, not that of Mars, that interferes with the blue mist
+every time the Earth passes between Mars and the sun. And to amplify
+Earth's magnetic field, we had to place The Egg directly between Mars
+and Earth during the Earth-sun conjunction--and you put it there when
+you got the Egg into an Earthward orbit on schedule."
+
+"But, Sir Stanrich, I've been sunburned a dozen times at these
+conjunctions...."
+
+"Not like this. When the blue mist was stripped away completely this
+time, everyone on the surface was affected. Marscorp's troops were
+put out of action as an effective fighting force when they received
+severe burns over most of their bodies and were afflicted with acute
+conjunctivitis so badly they were half blinded. That's why we abandoned
+Charax and Regina and pulled all our people to the Isidis base while
+the conjunction was under way, we were all protected from the sun ...
+underground!"
+
+They had reached the center of the city. Above the old Syrtis Major
+Hotel, which had served as Marscorp's supreme headquarters, the flag
+of the Charax Rebels was fluttering in the breeze from the city's air
+circulators.
+
+Marscorp was beaten. Mars was free.
+
+
+
+
+
+End of Project Gutenberg's A Case of Sunburn, by Charles L. Fontenay
+
+*** END OF THE PROJECT GUTENBERG EBOOK 59825 ***