BF-04号 F-35B“闪电”II 系统发展与验证机在帕塔克森特河海军航空站着陆。（Marine test pilot Lt. Col. Fred Schenk begins his last scheduled F-35 test flight June 26 in BF-4 at Patuxent River, Md. Schenk concluded his tour as government flight test director June 29 and was the first pilot to land the short takeoff and vertical landing version of the F-35 Joint Strike Fighter on USS Wasp (LHD 1) in October 2011. The F-35B for the U.S. Marine Corps and international partners is capable of short takeoffs and vertical landings for use on amphibious ships or expeditionary airfields to provide air power to the Marine Air-Ground Task Force. The F-35B is undergoing test and evaluation at NAS Patuxent River prior to delivery to the fleet.）

BF-04号 F-35B“闪电”II 系统发展与验证机在帕塔克森特河海军航空站进行垂降实验。（BF-04 Flight 91. Vertical Landing at centerfield pad on 13 December 2011 with LtCol Matt Taylor as the pilot.Lt. Col. Matt Taylor lands an F-35B Short Take-Off Vertical Landing aircraft Dec. 13 at Naval Air Station Patuxent River, Md. The first test flight of the STOVL variant by a Marine was in 2009.）

美国加利福尼亚州爱德华兹空军基地，美国海军 VX-23 空中测试与评估中队 F-35B“闪电”II 进行湿跑道和侧风环境垂直起降试验。（The Lockheed Martin F-35B Joint Strike Fighter completes a required wet runway and crosswind testing at Edwards Air Force Base, Calif., an important program milestone enabling U.S. Marines Corps initial operational capability certification.）