Sikorsky and Boeing today announced their official joint proposal for the Army's Future Long Range Assault Aircraft, the DEFIANT X, as the Army gears up to issue a request for proposals for the effort this spring. The Sikorsky-Boeing team is one of two companies under a two-year competitive demonstration and risk-reduction phase for FLRAA, one of the priorities under the Army's future vertical lift effort. The team has been flying its technology demonstrator, the SB-Defiant , which has achieved speeds...