ing along; and without cracking your voice, either," Tom told him.
"Did my bomb explode exactly at the same second as the other one?" next asked Jack, more to continue the conversation and thrill with his triumph than for information, because he had already made up his mind on that score.
"Just what it did, Jack. But let up on this now. I've got to keep my whole attention pinned to my work."
That often different minds run in the same channel is proved every day; and in Jack's case it really turned out that while he was testing his crude invention another much more eminent person in far-away America had just succeeded in accomplishing the idea he had in mind, and was almost ready to offer it to the Washington Signal Corps authorities.
After rejoining the squadron of battleplanes the old formation had been resumed. A cordon of fighters moved on either side, one to each bombing unit in the fleet. Just as transports were convoyed across the dread submarine danger-zone of the Atlantic by destroyers and cruisers, so these working planes were protected by those better equipped for holding off intending offenders, and striking with all the strength of Uncle Sam's good right arm.
It would not be for long, Tom believed.
