"What powers the Dohlmite's force wall?" inquired Norman suddenly.
The men turned back to him, their eyes serious, intent.
"I've speculated about that," admitted Pepperell. "But no human is allowed within to learn."
"If it ever failed, and we were organized, we could rush the Dohlmites, capture the broadcast machine and destroy the cylinders."
"You forget the paralysis ray," observed one of the Martians quietly.
"There's a shield against the ray," Norman countered. "I saw one. Vermeer had one on when our ship was captured."
"A green suit," smiled the Martian. "But they are issued only to agents of the Venusian Export Lines."
"We can steal them."
A hungry look had come into the men's eyes as they recalled the past when they had been free in the Universe. Pepperell smashed his fist down hard on the buffet.
"I'm with you."