Unmanned Aerial Vehicles
Boeing's 'Phantom Swift' Advances in Darpa Program
During the project's second phase, Darpa plans to select two proposals to advance to detailed design, fabrication and assembly.
Boeing revealed this scale model of the Phantom Swift to reporters in June. (Photo: Bill Carey)
Boeing revealed this scale model of the Phantom Swift to reporters in June. (Photo: Bill Carey)

Boeing won a $9.36 million contract modification from the U.S. Defense Advanced Research Projects Agency (Darpa) to refine its concept for a radically improved vertical takeoff and landing (VTOL) aircraft to the preliminary design review stage. Three other contractors have proposed concepts for the program.