“They won’t go anyplace,” Mr. Evans assured him. “The important thing right now is that we don’t tip off our plans. Possibly they have various signals worked out with the submarine. Things have to go right on schedule, or we might lose the whole battle. Benton and Simms are small fish and can be landed any time we want. The big thing is the delivery of those blueprints and the isotope. That’s what we’ve got to stop.”