It was in April that the Pentagon first announced it had plans to enter into a multiyear pilot program with In-Q-Tel, the CIA-backed strategic investment firm, in the hopes of identifying promising new start-up technologies to halt the American defense establishment's fast-eroding technological edge on the 21st century battlefields, including space and cyberspace. But senior Defense Department officials who briefed the press on background at the time were short on specifics, noting that much of it would be classified in...