Gulfstream I (G-159) U.S. Army its only flaw was a

its only flaw was a tendency to lose its upper wing fabric during abrupt dives

forward firing machine gun

and fuselage length increased by 14 ft

Navy and Marines asked for volunteers

but short vertical winglets

Gulfstream I (G-159) U.S. Army its only flaw was aGulfstream I G 159 airplane model. Grumman developed the Gulfstream I turbine powered executive transport to replace the many hundred war surplus piston twins performing such missions in the mid 1950s. Design work began in 1956, with first flight of the Gulfstream I prototype occurring on August 14, 1958. FAA Type certification was awarded on May 21, 1959, and deliveries of production aircraft followed from that June. Notably, the Gulfstream I was the