the receiver ramps for the test. As soon as your ship is ready to fire
her cargo projectiles, we can receive them."

Connel's face showed the surprise he felt. "Why, Jim, that's the most
amazing news I've ever heard!" he exclaimed. "How did you do it?"

"Through hard work," replied Arnold, "and the efforts of a young officer
named Slick. He handled the whole thing."

"Slick!" exclaimed Connel. "I just bawled him out for wearing a dirty
uniform."

"He's responsible for our success," asserted Arnold. "And what's more,
those receivers can be taken apart and reassembled again in less than
ten minutes."

"Incredible," gasped Connel. "I've got to see those things right away.
Come along, Corbett."

Tom followed the major out of the office and back to the jet car. They
were about to drive off to the opposite end of the field when they heard
someone shout to them. Tom stopped the speedy little car and Connel
turned around to see who had called them.

Carter Devers rushed up and greeted the Solar Guard officer
enthusiastically. "Major, this is a surprise."

"Hello, Carter. What are you doing here?" Connel asked bluntly.

"Had some business here on Mars," said Devers. "I've finished and I'm