Galaxy Aerospace SPXGalaxy Aerospace was a joint venture, formed in 1997, of the Hyatt Corporation and Israel Aircraft Industries Ltd.. It was headquartered at Alliance Airport in Fort Worth, Texas, and had approximately 450 employees. In 2001, it became part of General Dynamics' Aerospace group, which includes Gulfstream Aerospace. As part of the purchase, it acquired the Astra mid size twin turbofan business jet and the Galaxy, the first aircraft in the super mid size