<h2><SPAN name="c9" id="c9"></SPAN><i>9</i></h2>
<p>It was not, however, the crack of doom. When Joe stared out the window
by the head of his cot, he saw gray-red dawn breaking over the landing
field. There were low, featureless structures silhouetted against the
sunrise. As the crimson light grew brighter, Joe realized that the
angular shapes were hangars. Improbable crane poles loomed above them.
One was in motion, handling something he could not make out, but the
noise that had awakened him was less, now. It seemed to circle overhead,
and it had an angry, droning, buzzing quality that was not natural in
any motor he had ever heard before.</p>
<p>Joe shivered, standing at the window. It was cold and dank in the dawn
light at this altitude, but he wanted to know what that completely
unbelievable roar had been. A crane beam by the hangars tilted down,
slowly, and then lifted as if released of a great weight. The light was
growing slowly brighter. Joe saw something on the ground. Rather, it was
not quite on the ground. It rested on something on the ground.</p>
<p>Suddenly that unholy uproar began again. Something moved. It ran heavily
out from the masking dark of the hangars. It picked up speed. It
acquired a reasonable velocity—forty or fifty miles an hour. As it
scuttled over the dimly lighted field, it made a din like all the boiler
factories in the world and all the backfiring motors in creation trying
to drown each other’s noise out—and all of them being very successful.</p>
<p>It was a pushpot. Joe recognized it with incredulity. It was one of
those utterly ungainly creations that were built around one half of the
sidewall of the Shed. In shape, its <span class="pagenum"><SPAN name="Page_104" id="Page_104">[Pg 104]</SPAN></span>upper part was like the top half of
a loaf of bread. In motion, here, it rested on some sort of wheeled
vehicle, and it was reared up like an indignant caterpillar, and a
blue-white flame squirted out of its tail, with coy and frolicsome
flirtings from side to side.</p>
<p>The pushpot lifted from the vehicle on which it rode, and the vehicle
put on speed and got away from under it with frantic agility. The
vehicle swerved to one side, and Joe stared with amazed eyes at the
pushpot, some twenty feet aloft. It had a flat underside, and a topside
that still looked to him like the rounded top half of a loaf of baker’s
bread. It hung in the air at an angle of about forty-five degrees, and
it howled like a panic-stricken dragon—Joe was getting his metaphors
mixed by this time—and it swung and wobbled and slowly gained altitude,
and then suddenly it seemed to get the knack of what it was supposed to
do. It started to circle around, and then it began abruptly to climb
skyward. Until it began to climb it looked heavy and clumsy and wholly
unimpressive. But when it climbed, it really moved!</p>
<p>Joe found his head out the window, craning up to look at it. Its
unearthly din took on the indignant quality of an irritated beehive. But
it climbed! It went up without grace but with astonishing speed. And it
was huge, but it became lost in the red-flecked dawn sky while Joe still
gaped.</p>
<p>Joe flung on his clothes. He went out the door through resonant empty
corridors, hunting for somebody to tell him something. He blundered into
a mess hall. There were many tables, but the chairs around them were
pushed back as if used and then left behind by people in a hurry to be
somewhere else. There were exactly two people still visible over in a
corner.</p>
<p>Another din like the wailing of a baby volcano with a toothache. It
began, and moved, and went through the series of changes that ended in a
climbing, droning hum. Another. Another. The launching of pushpots for
their morning flight was evidently getting well under way.</p>
<p>Joe hesitated in the nearly empty mess hall. Then he recognized the two
seated figures. They were the pilot and co-pilot, <span class="pagenum"><SPAN name="Page_105" id="Page_105">[Pg 105]</SPAN></span>respectively, of the
fateful plane that had brought him to Bootstrap.</p>
<p>He went over to their table. The pilot nodded matter-of-factly. The
co-pilot grinned. Both still wore bandages on their hands, which would
account for their remaining here.</p>
<p>“Fancy seeing you!” said the co-pilot cheerfully. “Welcome to the Hotel
de Gink! But don’t tell me you’re going to fly a pushpot!”</p>
<p>“I hadn’t figured on it,” admitted Joe. “Are you?”</p>
<p>“Perish forbid,” said the co-pilot amiably. “I tried it once, for the
devil of it. Those things fly with the grace of a lady elephant on ice
skates! Did you, by any chance, notice that they haven’t got any wings?
And did you notice where their control surfaces were?”</p>
<p>Joe shook his head. He saw the remnants of ham and eggs and coffee. He
was hungry.</p>
<p>There was the uproar to be expected of a basso-profundo banshee in pain.
Another pushpot was taking off.</p>
<p>“How do I get breakfast?” he asked.</p>
<p>The co-pilot pointed to a chair. He rapped sharply on a drinking glass.
A door opened, he pointed at Joe, and the door closed.</p>
<p>“Breakfast coming up,” said the co-pilot. “Look! I know you’re Joe
Kenmore. I’m Brick Talley and this is Captain—no less than
Captain!—Thomas J. Walton. Impressed?”</p>
<p>“Very much,” said Joe. He sat down. “What about the control surfaces on
pushpots?”</p>
<p>“They’re in the jet blast!” said the co-pilot, now identified as Brick
Talley. “Like the V Two rockets when the Germans made ’em. Vanes in the
exhaust blast, no kidding! Landing, and skidding in on their tails like
they do, they haven’t speed enough to give wing flaps a grip on the air,
even if they had wings to put wing flaps on. Those dinkuses are things
to have bad dreams about!”</p>
<p>Again, a door opened and a man in uniform with an apron in front came
marching in with a tray. There was tomato juice and ham and eggs and
coffee. He served Joe briskly and marched out again.</p>
<p><span class="pagenum"><SPAN name="Page_106" id="Page_106">[Pg 106]</SPAN></span></p>
<p>“That’s Hotel de Gink service,” said Talley. “No wasted motion, no
sloppy civilities. He was about to eat that himself, he gave it to you,
and now he’ll cook himself a double portion of everything. What are you
doing here, anyhow?”</p>
<p>Joe shrugged. It occurred to him that it would neither be wise nor
creditable to say that he’d been sent here to split up a target at which
saboteurs might shoot.</p>
<p>“I guess I’m attached for rations,” he observed. “There’ll be orders
along about me presently, I suppose. Then I’ll know what it’s all
about.”</p>
<p>He fell to on his breakfast. The thunderous noises of the pushpots
taking off made the mess hall quiver. Joe said between mouthfuls: “Funny
way for anything to take off, riding on—it looked like a truck.”</p>
<p>“It is a truck,” said Talley. “A high-speed truck. Fifty of them
specially made to serve as undercarriages so pushpot pilots can
practice. The pushpots are really only expected to work once, you know.”</p>
<p>Joe nodded.</p>
<p>“They aren’t to take off,” Talley explained. “Not in theory. They hang
on to the Platform and heave. They go up with it, pushing. When they get
it as high as they can, they’ll shoot their jatos, let go, and come
bumbling back home. So they have to practice getting back home and
landing. For practicing it doesn’t matter how they get aloft. When they
get down, a big straddle truck on caterpillar treads picks them up—they
land in the doggonedest places, sometimes!—and brings ’em back. Then a
crane heaves them up on a high-speed truck and they do it all over
again.”</p>
<p>Joe considered while he ate. It made sense. The function of the pushpots
was to serve as the first booster stage of a multiple-stage rocket.
Together, they would lift the Platform off the ground and get it as high
as their jet motors would take it traveling east at the topmost speed
they could manage. Then they’d fire their jatos simultaneously, and in
doing that they’d be acting as the second booster stage of a
multiple-stage rocket. Then their work would be done, and their only
remaining purpose would be to get their pilots back to <span class="pagenum"><SPAN name="Page_107" id="Page_107">[Pg 107]</SPAN></span>the ground alive,
while the Platform on its own third stage shot out to space.</p>
<p>“So,” said Talley, “since their pilots need to practice landings, the
trucks get them off the ground. They go up to fifty thousand feet, just
to give their oxygen tanks a chance to conk out on them; then they barge
around up there a while. The advanced trainees shoot off a jato at top
speed. It’s gauged to build them up to the speed they’ll give the
Platform. And then if they come out of that and get back down to ground
safely, they uncross their fingers. A merry life those guys lead! When a
man’s made ten complete flights he retires. One flight a week thereafter
to keep in practice only, until the big day for the Platform’s take-off.
Those guys sweat!”</p>
<p>“Is it that bad?”</p>
<p>The pilot grunted. The co-pilot—Talley—spread out his hands.</p>
<p>“It is that bad! Every so often one of them comes down untidily. There’s
something the matter with the motors. They’ve got a little too much
power, maybe. Sometimes—occasionally—they explode.”</p>
<p>“Jet motors?” asked Joe. “Explode? That’s news!”</p>
<p>“A strictly special feature,” said Talley drily. “Exclusive with
pushpots for the Platform. They run ’em and run ’em and run ’em, on
test. Nothing happens. But occasionally one blows up in flight. Once it
happened warming up. That was a mess! The field’s been losing two pilots
a week. Lately more.”</p>
<p>“It doesn’t sound exactly reasonable,” said Joe slowly. He put a last
forkful in his mouth.</p>
<p>“It’s also inconvenient,” said Talley, “for the pilots.”</p>
<p>The pilot—Walton—opened his mouth.</p>
<p>“It’d be sabotage,” he said curtly, “if there was any way to do it. Four
pilots killed this week.”</p>
<p>He lapsed into silence again.</p>
<p>Joe considered. He frowned.</p>
<p>A pushpot, outside the building, hysterically bellowed its <span class="pagenum"><SPAN name="Page_108" id="Page_108">[Pg 108]</SPAN></span>way across
the runway and its noise changed and it was aloft. It went spiraling up
and up. Joe stirred his coffee.</p>
<p>There were thin shoutings outside. A screaming, whistling noise! A
crash! Something metallic shrieked and died. Then silence.</p>
<p>Talley, the co-pilot, looked sick. Then he said: “Correction. It’s been
five pushpots exploded and five pilots killed this week. It’s getting a
little bit serious.” He looked sharply at Joe. “Better drink your coffee
before you go look. You won’t want to, afterward.”</p>
<p>He was right.</p>
<p>Joe saw the crashed pushpot half an hour later. He found that his
ostensible assignment to the airfield for the investigation of sabotage
was quaintly taken at face value there. A young lieutenant solemnly
escorted him to the spot where the pushpot had landed, only ten feet
from a hangar wall. The impact had carried parts of the pushpot five
feet into the soil, and the splash effect had caved in the hangar
wall-footing. There’d been a fire, which had been put out.</p>
<p>The ungainly flying thing was twisted and torn. Entrails of steel tubing
were revealed. The plastic cockpit cover was shattered. There were only
grisly stains where the pilot had been.</p>
<p>The motor had exploded. The jet motor. And jet motors do not explode.
But this one had. It had burst from within, and the turbine vanes of the
compressor section were revealed, twisted intolerably where the barrel
of the motor was ripped away. The jagged edges of the tear testified to
the violence of the internal explosion.</p>
<p>Joe looked wise and felt ill. The young lieutenant very politely looked
away as Joe’s face showed how he felt. But of course there were the
orders that said he was a sabotage expert. And Joe felt angrily that he
was sailing under false colors. He didn’t know anything about sabotage.
He believed that he was probably the least qualified of anybody that
security had ever empowered to look into methods of destruction.</p>
<p>Yet, in a sense, that very fact was an advantage. A man <span class="pagenum"><SPAN name="Page_109" id="Page_109">[Pg 109]</SPAN></span>may be set to
work to contrive methods of sabotage. Another man may be trained to
counter him. The training of the second man is essentially a study of
how the first man’s mind works. Then it can be guessed what this
saboteur will think and do. But such a trained security man will often
be badly handicapped if he comes upon the sabotage methods of a second
man—an entirely different saboteur who thinks in a new fashion. The
security man may be hampered in dealing with the second man’s sabotage
just because he knows too much about the thinking of the first.</p>
<p>Joe went off and scowled at a wall, while the young lieutenant waited
hopefully nearby.</p>
<p>He was in a false position. But he could see that there was something
odd here. There was a sort of pattern in the way the other sabotage
incidents had been planned. It was hard to pick out, but it was there.
Joe thought of the trick of booby-trapping a plane during its major
overhaul, and then arming the traps at a later date.... A private plane
had been fitted to deliver proximity rockets in mid-air when the
transport ship flew past. There was the explosion of the cargo parcel
which was supposed to contain requisition forms and stationery. And the
attempt to smash the entire Platform by getting an atomic bomb into a
plane and having a saboteur shoot the crew and then deliver the bomb at
the Shed in an officially harmless aircraft....</p>
<p>The common element in all those sabotage tricks was actually clear
enough, but Joe wasn’t used to thinking in such terms. He did know,
though, that there was a pattern in those devices which did not exist in
the blowing up of jet motors from inside.</p>
<p>He scowled and scowled, racking his brains, while the young lieutenant
watched respectfully, waiting for Joe to have an inspiration. Had Joe
known it, the lieutenant was deeply impressed by his attempt at
concentration on the problem it had not been Major Holt’s intention for
Joe to consider. When Joe temporarily gave up, the young lieutenant
eagerly showed him over the whole field and all its workings.</p>
<p><span class="pagenum"><SPAN name="Page_110" id="Page_110">[Pg 110]</SPAN></span></p>
<p>In mid-morning another pushpot fell screaming from the skies. That made
six pushpots and six pilots for this week—two today. The things had no
wings. They had no gliding angle. Pointed up, they could climb
unbelievably. While their engines functioned, they could be controlled
after a fashion. But they were not aircraft in any ordinary meaning of
the word. They were engines with fuel tanks and controls in their
exhaust blast. When their engines failed, they were so much junk falling
out of the sky.</p>
<p>Joe happened to see the second crash, and he didn’t go to noon mess at
all. He hadn’t any appetite. Instead, he gloomily let himself be packed
full of irrelevant information by the young lieutenant who considered
that since Joe had been sent by security to look into sabotage, he must
be given every possible opportunity to evaluate—that would be the word
the young lieutenant would use—the situation.</p>
<p>But all the time that Joe followed him about, his mind fumbled with a
hunch. The idea was that there was a pattern of thinking in sabotage,
and if you could solve it, you could outguess the saboteur. But the
trouble was to figure out the similarity he felt existed in—say—a
private plane shooting rockets and overhaul mechanics planting booby
traps and faked shippers getting bombs on planes—and come to think of
it, there was Braun....</p>
<p>Braun was the key! Braun had been an honest man, with an honest loyalty
to the United States which had given him refuge. But he had been
blackmailed into accepting a container of atomic death to be released in
the Shed. Radioactive cobalt did not belong in the Shed. That was the
key to the pattern of sabotage. Braun was not to use any natural thing
that belonged in the Shed. He was to be only the means by which
something extraneous and deadly was to have been introduced.</p>
<p>That was it! Somebody was devising ingenious ways to get well-known
destructive devices into places where they did not belong, but where
they would be effective. Rockets. Bombs. Even radioactive cobalt dust.
All were perfectly well-known means of destruction. The minds that
planned those <span class="pagenum"><SPAN name="Page_111" id="Page_111">[Pg 111]</SPAN></span>tricks said, in effect: “These things will destroy. How
can we get them to where they will destroy something?” It was a strict
pattern.</p>
<p>But the pushpot sabotage—and Joe was sure it was nothing else—was not
that sort of thing. Making motors explode.... Motors don’t explode. One
couldn’t put bombs in them. There wasn’t room. The explosions Joe had
seen looked as if they’d centered in the fire basket—technically the
combustion area—behind the compressor and before the drive vanes. A jet
motor whirled. Its front vanes compressed air, and a flame burned
furiously in the compressed air, which swelled enormously and poured out
past other vanes that took power from it to drive the compressor. The
excess of blast poured out astern in a blue-white flame, driving the
ship.</p>
<p>But one couldn’t put a bomb in a fire basket. The temperature would melt
anything but the refractory alloys of which a jet motor has to be built.
A bomb placed there would explode the instant a motor was started. It
couldn’t resist until the pushpot took off. It couldn’t....</p>
<p>This was a different kind of sabotage. There was a different mind at
work.</p>
<p>In the afternoon Joe watched the landings, while the young lieutenant
followed him patiently about. A pushpot landing was quite unlike the
landing of any other air-borne thing. It came flying down with
incredible clumsiness, making an uproar out of all proportion to its
landing speed. Pushpots came in with their tail ends low, crudely and
cruelly clumsy in their handling. They had no wings or fins. They had to
be balanced by their jet blasts. They had to be steered the same way.
When a jet motor conked out there was no control. The pushpot fell.</p>
<p>He carefully watched one landing now. It came down low, and swung in
toward the field, and seemed to reach its stern down tentatively to
slide on the earth, and the flame of its exhaust scorched the field, and
it hesitated, pointing up at an ever steeper angle—and it touched and
its nose tilted forward—and leaped up as the jet roared more loudly,
and then touched again....</p>
<p><span class="pagenum"><SPAN name="Page_112" id="Page_112">[Pg 112]</SPAN></span></p>
<p>The goal was for pushpots to touch ground finally with the whole weight
of the flying monstrosity supported by the vertical thrust of the jet,
and while it was moving forward at the lowest possible rate of speed.
When that goal was achieved, they flopped solidly flat, slid a few feet
on their metal bellies, and lay still. Some hit hard and tried to dig
into the earth with their blunt noses. Joe finally saw one touch with no
forward speed at all. It seemed to try to settle down vertically, as a
rocket takes off. That one fell over backward and wallowed with its
belly plates in the air before it rolled over on its side and rocked
there.</p>
<p>The last of a flight touched down and flopped, and the memory of the
wreckage had been overlaid by these other sights and Joe could think of
his next meal without aversion. When it was evening-mess time he went
doggedly back to the mess hall. There was a sort of itchy feeling in his
mind. He knew something he didn’t know he knew. There was something in
his memory that he couldn’t recall.</p>
<p>Talley and Walton were again at mess. Joe went to their table. Talley
looked at him inquiringly.</p>
<p>“Yes, I saw both crashes,” said Joe gloomily, “and I didn’t want any
lunch. It was sabotage, though. Only it was different in kind—it was
different in principle—from the other tricks. But I can’t figure out
what it is!”</p>
<p>“Mmmmmm,” said Talley, amiably. “You’d learn something if you could talk
to the Resistance fighters and saboteurs in Europe. The Poles were
wonderful at it! They had one chap who could get at the tank cars that
took aviation gasoline from the refinery to the various Nazi airfields.
He used to dump some chemical compound—just a tiny bit—into each
carload of gas. It looked all right, smelled all right, and worked all
right. But at odd moments Hitler’s planes would crash. The valves would
stick and the engine’d conk out.”</p>
<p>Joe stared at him. And it was just as simple as that. He saw.</p>
<p>“The Nazis lost a lot of planes that way,” said Talley. “Those that
didn’t crash from stuck valves in flight—they had to have their valves
reground. Lost flying time. Wonderful! <span class="pagenum"><SPAN name="Page_113" id="Page_113">[Pg 113]</SPAN></span>And when the Nazis did uncover
the trick, they had to re-refine every drop of aviation gas they had!”</p>
<p>Joe said: “That’s it!”</p>
<p>“That’s it? And <i>it</i> is what?”</p>
<p>Then Joe said disgustedly: “Surely! It’s the trick of loading CO<sub>2</sub>
bottles with explosive gas, too! Excuse me!”</p>
<p>He got up from the table and hurried out. He found a phone booth and got
the Shed, and then the security office, and at long last Major Holt. The
Major’s tone was curt.</p>
<p>“Yes?... Joe?... The three men from the affair of the lake were tracked
this morning. When they were cornered they tried to fight. I am afraid
we’ll get no information from them, if that’s what you wanted to know.”</p>
<p>The Major’s manner seemed to disapprove of Joe as expressing curiosity.
His words meant, of course, that the three would-be murderers had been
fatally shot.</p>
<p>Joe said carefully: “That wasn’t what I called about, sir. I think I’ve
found out something about the pushpots. How they’re made to crash. But
my hunch needs to be checked.”</p>
<p>The Major said briefly: “Tell me.”</p>
<p>Joe said: “All the tricks but one, that were used on the plane I came
on, were the same kind of trick. They were all arrangements for getting
regular destructive items—bombs or rockets or whatever—where they
could explode and smash things. The saboteurs were adding destructive
items to various states of things. But there was one trick that was
different.”</p>
<p>“Yes?” said the Major, on the telephone.</p>
<p>“Putting explosive gas in the CO<sub>2</sub> bottles,” said Joe painstakingly,
“wasn’t adding a new gadget to a situation. It was changing something
that was already there. The saboteurs took something that belonged in a
plane and changed it. They did not put something new into a plane—or a
situation—that didn’t belong there. It was a special kind of thinking.
You see, sir?”</p>
<p>The Major, to do him justice, had the gift of listening. He waited.</p>
<p>“The pushpots,” said Joe, very carefully, “naturally have <span class="pagenum"><SPAN name="Page_114" id="Page_114">[Pg 114]</SPAN></span>their fuel
stored in different tanks in different places, as airplanes do. The
pilots switch on one tank or another just like plane pilots. In the
underground storage and fueling pits, where all the fuel for the
pushpots is kept in bulk, there are different tanks too. Naturally! At
the fuel pump, the attendant can draw on any of those underground tanks
he chooses.”</p>
<p>The Major said curtly: “Obviously! What of it?”</p>
<p>“The pushpot motors explode,” said Joe. “And they shouldn’t. No bomb
could be gotten into them without going off the instant they started,
and they don’t blow that way. I make a guess, sir, that one of the
underground storage tanks—just one—contains doctored fuel. I’m
guessing that as separate tanks in a pushpot are filled up, one by one,
<i>one</i> is filled from a particular underground storage tank that contains
doctored fuel. The rest will have normal fuel. And the pushpot is going
to crash when that tank, and only that tank, is used!”</p>
<p>Major Holt was very silent.</p>
<p>“You see, sir?” said Joe uneasily. “The pushpots could be fueled a
hundred times over with perfectly good fuel, and then one tank in one of
them would explode when drawn on. There’d be no pattern in the
explosions....”</p>
<p>Major Holt said coldly: “Of course I see! It would need only one tank of
doctored fuel to be delivered to the airfield, and it need not be used
for weeks. And there would be no trace in the wreckage, after the fire!
You are telling me there is one underground storage tank in which the
fuel is highly explosive. It is plausible. I will have it checked
immediately.”</p>
<p>He hung up, and Joe went back to his meal. He felt uneasy. There
couldn’t be any way to make a jet motor explode unless you fed it
explosive fuel. Then there couldn’t be any way to stop it. And
then—after the wreck had burned—there couldn’t be any way to prove it
was really sabotage. But the feeling of having reported only a guess was
not too satisfying. Joe ate gloomily. He didn’t pay much attention to
Talley. He had that dogged, uncomfortable feeling a man has when he
knows he doesn’t qualify as an expert, <span class="pagenum"><SPAN name="Page_115" id="Page_115">[Pg 115]</SPAN></span>but feels that he’s hit on
something the experts have missed.</p>
<p>Half an hour after the evening mess—near sunset—a security officer
wearing a uniform hunted up Joe at the airfield.</p>
<p>“Major Holt sent me over to bring you back to the Shed,” he said
politely.</p>
<p>“If you don’t mind,” said Joe with equal politeness, “I’ll check that.”</p>
<p>He went to the phone booth in the barracks. He got Major Holt on the
wire. And Major Holt hadn’t sent anybody to get him.</p>
<p>So Joe stayed in the telephone booth—on orders—while the Major did
some fast telephoning. It was comforting to know he had a pistol in his
pocket, and it was frustrating not to be allowed to try to capture the
fake security officer himself. The idea of murdering Joe had not been
given up, and he’d have liked to take part personally in protecting
himself. But it was much more important for the fake security man to be
captured than for Joe to have the satisfaction of attempting it himself.</p>
<p>As a matter of fact, the fake officer started his getaway the instant
Joe went to check on his orders. The officer knew they’d be found faked.
It had not been practical for him to shoot Joe down where he was. There
were too many people around for this murderer to have a chance at a
getaway.</p>
<p>But he didn’t get away, at that. Twenty minutes later, while Joe still
waited fretfully in the phone booth, the phone bell rang and Major Holt
was again on the wire. And this time Joe was instructed to come back to
the Shed. He had exact orders whom to come with, and they had orders
which identified them to Joe.</p>
<p>Some eight miles from the airfield—it was just dusk—Joe came upon a
wrecked car with motorcycle security guards working on it. They stopped
Joe’s escort. Joe’s phone call had set off an alarm. A plane had spotted
this car tearing away from the airfield, and motorcyclists were guided
in pursuit by the plane. When it wouldn’t stop—when the fake Security
officer in it tried to shoot his way clear—the plane <span class="pagenum"><SPAN name="Page_116" id="Page_116">[Pg 116]</SPAN></span>strafed him. So he
was dead and his car was a wreck, and the motorcycle men were trying to
get some useful information from his body and the car.</p>
<p>Joe went to the Major’s house in the officers’-quarters area. The Major
looked even more tired than before, but he nodded approvingly at Joe.
Sally was there too, and she regarded Joe with a look which was a good
deal warmer than her father’s.</p>
<p>“You did very well,” said the Major detachedly. “I don’t have too high
an opinion of the brains of anybody your age, Joe. When you are my age,
you won’t either. But whether you have brains or simply luck, you are
turning out to be very useful.”</p>
<p>Joe said: “I’m getting security conscious, sir. I want to stay alive.”</p>
<p>The Major regarded him with irony.</p>
<p>“I was thinking of the fact that when you worked out the matter of the
doctored pushpot fuel, you did not try to be a hero and prove it
yourself. You referred it to me. That was the proper procedure. You
could have been killed, investigating—it’s clear that the saboteurs
would be pleased to have a good chance to murder you—and your
suspicions might never have reached me. They were correct, by the way.
One storage tank underground was half-full of doctored fuel. Rather more
important, another <i>was</i> full, not yet drawn on.”</p>
<p>The Major went on, without apparent cordiality: “It seems probable that
if this particular sabotage trick had not been detected—it seems likely
that on the Platform’s take-off, all or most of the pushpots would have
been fueled to explode at some time after the Platform was aloft, and
before it could possibly get out to space.”</p>
<p>Joe felt queer. The Major was telling him, in effect, that he might have
kept the Platform from crashing on take-off. It was a good but upsetting
sensation. It was still more important to Joe that the Platform get out
to space than that he be credited with saving it. And it was not
reassuring to hear that it might have been wrecked.</p>
<p>“Your reasoning,” added the Major coldly, “was soundly <span class="pagenum"><SPAN name="Page_117" id="Page_117">[Pg 117]</SPAN></span>based. It seems
certain that there is not one central authority directing all the
sabotage against the Platform. There are probably several sabotage
organizations, all acting independently and probably hating each other,
but all hating the Platform more.”</p>
<p>Joe blinked. He hadn’t thought of that. It was disheartening.</p>
<p>“It will really be bad,” said the Major, “if they ever co-operate!”</p>
<p>“Yes, sir,” said Joe.</p>
<p>“But I called you back from the airfield,” the Major told him without
warmth, “to say that you have done a good job. I have talked to
Washington. Naturally, you deserve a reward.”</p>
<p>“I’m doing all right, sir,” said Joe awkwardly. “I want to see the
Platform go up and stay up!”</p>
<p>The Major nodded impatiently.</p>
<p>“Naturally! But—ah—one of the men selected and trained for the crew of
the Platform has been—ah—taken ill. In strict confidence, because of
sabotage it has been determined to close in the Platform and get it
aloft at the earliest possible instant, even if its interior
arrangements are incomplete. So—ah—in view of your usefulness, I said
to Washington that I believed the greatest reward you could be offered
was—ah—to be trained as an alternate crew member, to take this man’s
place if he does not recover in time.”</p>
<p>The room seemed to reel around Joe. Then he gulped and said: “Yes, sir!
I mean—that’s right. I mean, I’d rather have that, than all the money
in the world!”</p>
<p>“Very well.” The Major turned to leave the room. “You’ll stay here, be
guarded a good deal more closely than before, and take instructions. But
you understand that you are still only an alternate for a crew member!
The odds are definitely against your going!”</p>
<p>“That’s—that’s all right, sir,” said Joe unsteadily. “That’s quite all
right!”</p>
<p>The Major went out. Joe stood still, trying to realize what all this
might mean to him. Then Sally stirred.</p>
<p><span class="pagenum"><SPAN name="Page_118" id="Page_118">[Pg 118]</SPAN></span></p>
<p>“You might say thanks, Joe.”</p>
<p>Her eyes were shining, but she looked proud, too.</p>
<p>“I put it in Dad’s head that that was what you’d like better than
anything else,” she told him. “If I can’t go up in the Platform
myself—and I can’t—I wanted you to. Because I knew you wanted to.”</p>
<p>She smiled at him as he tried incoherently to talk. With a quiet
maternal patience, she led him out on the porch of her father’s house
and sat there and listened to him. It was a long time before he realized
that she was humoring him. Then he stopped short and looked at her
suspiciously. He found that in his enthusiastic gesticulations he had
been gesticulating with <i>her</i> hand as well as his own.</p>
<p>“I guess I’m pretty crazy,” he said ruefully. “Shooting off my mouth
about myself up there in space.... You’re pretty decent to stand me the
way I am, Sally.”</p>
<p>He paused. Then he said humbly: “I’m plain lucky. But knowing you
and—having you like me reasonably much is pretty lucky too!”</p>
<p>She looked at him noncommittally.</p>
<p>He added painfully: “And not only because you spoke to your father and
told him just the right thing, either. You’re—sort of swell, Sally!”</p>
<p>She let out her breath. Then she grinned at him.</p>
<p>“That’s the difference between us, Joe,” she told him. “To me, what you
just said is the most important thing anybody’s said tonight.”</p>
<hr style="width: 65%;" /><p><span class="pagenum"><SPAN name="Page_119" id="Page_119">[Pg 119]</SPAN></span></p>
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