other stuff around here, we might have missed this one and hit two
others!"

"Yeah," agreed Astro. "It must have been good, because I'm still here!"

"Got your radar sweeping ahead, Roger?" asked Tom. "Any sign of an
opening in this stuff?"

"Radar's going all the time, Tom," replied Roger. "But I don't think
we're going to find a passage large enough to take the whole fleet
through."

"I'm afraid you're right," said Tom. "I guess we'd better get out of
here. How much fuel do we have left, Astro?"

"Enough to hang around here for another fifteen minutes. But let's not
cut it too fine. We might have to spend a little time looking for the
fleet."

"I don't imagine Vidac would lose any sleep," sneered Roger, "if we got
lost!"

"Well, fifteen minutes is fifteen minutes," said Tom, "so we might as
well take a look."

Roger gave the course change to Tom and the small ship shot to another
section of the asteroid cluster while the electronic finger of the radar
probed ahead, searching for an opening through the mass of hurtling
rock. Time and again in the past fifteen hours, the cadets had
discovered what they thought to be a way through, only to find it too