The Defense Advanced Research Projects Agency's air-recoverable unmanned Gremlins may not end up going home to a C-130 cargo aircraft as originally envisioned, according to the deputy director of the agency's tactical technologies office. DARPA's Gremlins project involves a retrievable, reusable unmanned munition. The agency's original vision for Gremlins included a C-130 with a mechanism which could release and recover the unmanned missile. But DARPA also built in flexibility for the project's cargo aircraft and the selected vehicle could change...