been drawing this money every month, and hadn't as much as mailed in a single progress report. There'd been swift phone-calls from Denver to Project W, and, General Webb informed them, not only was all the money to be accounted for, but so was all the time and effort: the project was completed, and about to be tested. Would someone like to come down and watch? Someone would. And thus it was that James Whitlow, with mystery stories and ham sandwich, had taken the first plane from the Capitol ... "... when all at once, I thought: Speed! Endurance! That is the problem!" said Webb, breaking in on Whitlow's reverie. "I beg your pardon?" said the Secretary of Defense. Webb whacked the dottle out of his pipe into a meaty palm, tossed the smoking cinders rather carelessly into a waste-basket, and leaned forward to confront the other man face to face, their noses almost nudging. "Why are parachutes out?" he snapped. "They go too slow," said Whitlow. "Why do we use parachutes at all?" "To keep the men from getting killed by the fall." "Why does a fall kill the men?" "It— It breaks their bones and stuff." "Bah!" Webb scoffed. "Bah?" reiterated Whitlow. "Bah?" "Certainly bah!" said the general. "All it takes is a little training." "All what takes?" said Whitlow, helplessly. "Falling, man, falling!" the general boomed. "If a man can fall safely from ten feet— Why not from ten times ten feet!?" "Because," said Whitlow, "increasing height accelerates the rate of falling, and—"