Tom briefed him on the background of the situation, including the Jupiter-probing missile mystery, then asked, "Could those men be transferred to the Shopton jail for the time being so our own security setup can take a hand in the investigation?"

The commandant nodded. "I'll arrange it."

As the boys flew back to Enterprises, Bud threw Tom a quizzical glance. "How come you mentioned the Jupiter prober, skipper? Do you think those hijackers were after information?"

Tom shrugged. "I'm wondering myself, Bud. If they were, it could mean our enemy hasn't found it yet!"

When they arrived at the experimental station, Tom made a full report to Harlan Ames, the slim, dark-haired security chief. Ames listened thoughtfully but was as baffled as Tom.

"Are the men Americans?" he asked.

"I doubt it," Tom said. "They speak English well enough, but with a faint accent. Somehow, I have a hunch they're Brungarians."

Ames whistled. "That could spell trouble, skipper." More than once, Brungarian rebel agents had engaged in brazen plots against America and the Swifts.

"Let's hope I'm wrong," Tom said wryly.

"Art Wiltessa—and the Navy—called again," Ames added. "Still no luck on the missile search."