<h2>CHAPTER III</h2>
<h3>Unexpected Action</h3>
<p>If red-headed, freckle-faced Jerry Macklin, star sprinter of Brighton,
ever ran in his life he ran that night. Down across the uneven,
hill-dotted dumps he tore at a speed that would have put his school
records to shame. Three times he fell, but each time on the instant he
was up and off again, without even a thought as to whether or not he had
injured himself.</p>
<p>And all the time he kept repeating in his mind, "There's a spy out there
planning dangerous things for the navy yard and the United States. Joe's
in the icy water watching him, and I must get help as fast as I can."</p>
<p>It was good, too, that he did put forth the last ounce of his strength.
Sergeant Martin was just passing through the navy yard gate as Jerry
arrived, his uniform covered with loose ashes and dirt, and his hands
bleeding from stone cuts received in his falls.</p>
<p>To Sergeant Martin, between gasps, Jerry managed to blurt out enough to
make the<SPAN class="pagenum" name="page_35" id="page_35" title="35"></SPAN> other understand. Within two more minutes Sergeant Martin had
imparted the vital information to the captain of the company of marines
charged with guarding the navy yard for that particular night. The
captain sent two aides scurrying, one to his major, the other to the
office of the navy yard commandant.</p>
<p>Twenty marines, fully armed, were hurried aboard a launch that
constantly was kept under steam for just such an emergency, and, with
Jerry directing, the boat swung out to Joe's aid.</p>
<p>Rapidly as Jerry had traveled the distance between the spot where Slim
waited and the navy yard itself, it seemed like ages to Joe, out there
in the icy water, a quarter of a mile from shore.</p>
<p>At first the tense excitement of the manhunt had made him unmindful of
the low temperature, and he swam with strong, even, silent strokes that
sent his lithe body gliding through the current noiselessly; but when he
had come within forty feet of the rowboat its lone occupant had turned
suddenly, as though scenting danger, and Joe, after waiting for a few
seconds to see what might happen, considered the absolute silence an
omen of<SPAN class="pagenum" name="page_36" id="page_36" title="36"></SPAN> danger and had dived under water, staying there as long as he
could, and coming to the surface at an entirely different point from the
boat.</p>
<p>After that the cold got to the very heart of him. His muscles grew numb,
he felt his strength waning, and he had to bring the whole force of his
will to bear to keep from turning back to shore.</p>
<p>But just as Jerry had maintained his courage and strength by keeping
constantly in mind Joe's plight, so Joe stuck to his terrible task,
suffering the most severe punishment, by an unwavering confidence in
Jerry's ability to get assistance in the shortest possible time.</p>
<p>He could see and hear that the man in the boat was working hastily, even
laboriously; and every few seconds there was the smothered splash of
something heavy being dropped carefully overboard.</p>
<p>And then, at the most inopportune moment, just when Joe was head and
shoulders out of the water, not more than twenty feet away from the
boat, the searchlight was thrown full upon him.</p>
<p>He dived; but not before the other man saw him. Joe, swimming ten feet
under<SPAN class="pagenum" name="page_37" id="page_37" title="37"></SPAN> water, and as hard as he could with the current down stream, knew
that he had been discovered, for he heard the quick rap-rap of the oars,
the sound dying away as the little craft sped toward shore.</p>
<p>When he did come to the surface it was with the certain feeling that the
fatal searchlight had been played upon the scene two minutes too early,
and just in time to prevent the capture red-handed of a very
questionable character, undoubtedly carrying out some plot for an enemy
government.</p>
<p>For as distinctly as he could hear the oars thrashing the water toward
shore, he could discern the steady but subdued puffing of a steam launch
racing up the river.</p>
<p>Joe was now on the point of exhaustion. He was flapping the water
desperately, but he was making no progress, and he was having the
greatest difficulty keeping himself afloat. He tried to cry out, and
this final effort took his last bit of strength.</p>
<p>The steam launch was then perhaps thirty feet away, but Jerry's words,
"Right about here," floated to him as from the opposite side of the
river. The boat's searchlight that was then suddenly thrown on blinded
him; he lost all account of things, and had<SPAN class="pagenum" name="page_38" id="page_38" title="38"></SPAN> the vague feeling of
sailing across great spaces on fleecy white clouds.</p>
<p>When he regained partial consciousness Sergeant Martin was in the water
with him, and trying to raise his body over the side of the launch; then
he relapsed again, for what seemed to him hours, but what was actually
only about two minutes, and was awakened to his real senses by the
shouts of Slim, on shore.</p>
<p>"Slim's got him," Jerry almost shouted. "Hurry, captain, right off this
way to the shore. Slim must have him. Listen to Slim's bellow."</p>
<p>And if there wasn't a first-class ruction in progress just upon the spot
from which Slim's vocal signals were emanating, then Slim's voice was
deceptive, indeed.</p>
<p>As a matter of fact, there was the finest sort of a fracas afoot.</p>
<p>Slim, on shore, had been a silent and anxious witness to the sudden
turning on of the navy yard searchlight, and to all that it exposed—the
boat, the man at work in it, Joe in the water, and his discovery by the
boat's occupant.</p>
<p>And then, as the light was extinguished, and the whole affair was
engulfed in darkness,<SPAN class="pagenum" name="page_39" id="page_39" title="39"></SPAN> Slim heard the rapid beating of the oars upon the
water, and the rower heading toward shore—and Slim.</p>
<p>Unable to see the craft approaching, he traced its course by sound, and
when the man stepped ashore Slim was only a few yards away. Discerning a
shadow just ahead of him, the youth threw himself at it with his whole
weight, only to grunt his pain and disgust as he came into violent
contact with the trunk of a dead tree.</p>
<p>The sound, however, startled the enemy into an exclamation which
revealed his whereabouts, and a moment later the two were locked
together and rolling over the ground, Slim with a desperate grip upon
the stranger's throat, and the latter landing blow after blow upon
Slim's stomach.</p>
<p>It was during this mêlée that Slim spied the searchlight of the launch
and let out his first call. After that most of his "bellows" were
involuntary and but punctuated the rapid-fire attack with which the
other man was landing his blows just above Slim's waist-line, or where
his waist-line should have been.</p>
<p>As the launch headed toward shore, its searchlight trained over the bow,
the man of<SPAN class="pagenum" name="page_40" id="page_40" title="40"></SPAN> the rowboat resorted to more desperate tactics. With a
tremendous jerk he managed to free his throat from Slim's grasp. An
instant later he gave the youth's neck a twist which almost broke it.
Then he landed a vicious kick which put poor Slim out of business.</p>
<p>Just as the marines from the launch were climbing ashore the fellow sped
off into the denseness of the night; and as his footsteps died away all
present trace of him was gone. A dozen of them searched for an hour, but
without result, and further investigation along that line had to be
abandoned until the following day.</p>
<p>Meanwhile, however, all three lads were hurried back to the navy yard
for fresh clothing and other repairs; having received which, together
with hot coffee from the cook at the barracks mess, they were permitted,
at their own earnest solicitation, to return to the scene with four
marines who were to be stationed along that section of the shore for the
balance of the night.</p>
<p>What they saw upon their arrival astounded them. Three additional
launches had arrived upon the scene, and the commandant of the navy yard
was himself directing matters.<SPAN class="pagenum" name="page_41" id="page_41" title="41"></SPAN></p>
<p>He had in his hand a slight rope that ran down into the water, and close
beside it was a hose line attached to an apparatus in the boat. The boys
knew at once that a diver was at work down on the river bed.</p>
<p>From the side of another launch anchored parallel with the first, and
fifteen feet distant, four husky bluejackets were waiting expectantly to
divide their strength on two stout ropes that were being attached to
something down in the water. The third launch played its flashlight upon
the work, while the fourth steamed about, doing patrol duty.</p>
<p>Even as the boys watched, the commandant gave a signal and the sailors
began hauling upward on the two heavy ropes. In a moment an oblong box,
about two feet long, a foot wide and of the same depth, came dripping
from the water. As it was brought to the boat's side two other men
grasped it carefully and placed it in the bottom of the launch. Then the
ropes, which were attached to a guide line, were hauled down into the
river again.</p>
<p>"What does it mean?" Joe asked of Sergeant Martin, who had changed his
clothes and arrived back ahead of them.</p>
<p>"What does it mean?" repeated the big<SPAN class="pagenum" name="page_42" id="page_42" title="42"></SPAN> sergeant. "It means that you
three young men are due for several credits and early recognition, or
I'm much mistaken. The man you discovered has not yet been caught, but
he cannot escape for long. And when he is captured it will be a long
time before he is free again.</p>
<p>"You lads have frustrated a dangerous plot by an enemy government. The
river bottom seems to be paved with those cases. They've taken out a
dozen already. One of them was opened, and, just as expected, it proved
to be a water-tight container for smokeless powder!</p>
<p>"The government that had those boxes hidden there undoubtedly was
scheming to have plenty of ammunition ready for use if it ever managed
to land its men on American soil.</p>
<p>"But you boys appeared here just in time to blow up the whole plot. You
have been in your first real action in the service of your country, and
you have come off with flying colors."</p>
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