The X-32 STOVL (Short Take-Off and Vertical Landing) technology demonstrator was the Boeing Company's response to the Department of Defense's "Joint Strike Fighter Program" beginning in 1994.

Boeing’s Joint Strike Fighter (JSF) demonstrator, the X-32A carries its weapons internally in side bays.

The X-32B achieving the first vertical landings following transition from conventional to STOVL flight. The X-32 competed - and failed - against the Lockheed submission, which went on to become the F-35.

Boeing X 32 Joint Strike Fighter
Engine: General Electric YF 120 FX, 176580 N
Length: 46.916 ft / 14.3 m
Height: 13.123 ft / 4.0 m
Wingspan: 36.089 ft / 11.0 m
Wing area: 538.2 sq.ft / 50.0 sq.m
Weight empty: 19999.4 lb / 9070.0 kg
Crew: 1
Armament: 1x MG 27mm Mauser, max. 7700kg

Boeing X-32A
Engine(s): 2 x Pratt & Whitney F135 turbofan, up to 35,000lbs thrust.
Length: 50.75ft (15.47m)
Width: 35.99ft (10.97m)
Height: 17.32ft (5.28m)
Maximum Take-Off Weight:37,920lbs (17,200kg)
Maximum Range: 979miles (1,575km)
Service Ceiling: 50,000ft (15,240m; 9.5miles)
Armament: 1 x 20mm M61A-2 cannon OR 1 x 27mm Mauser BK-27 cannon
Maximum external load: 15,000lbs approx.
Seats: 1