SAVANNAH, Ga., Oct. 4, 2021 -- Gulfstream Aerospace Corp., a wholly owned subsidiary of General Dynamics , introduced two all-new aircraft, further expanding its ultramodern, high-technology family of aircraft: the Gulfstream G800, the longest-range aircraft in Gulfstream history, and the Gulfstream G400, the first new entrant to the large-cabin class in more than a decade.