美国空军第61战斗机中队（61FS）的 F-35A 联合攻击战斗机从内利斯空军基地起飞训练。（A 61st Fighter Squadron F-35 from Luke Air Force Base, Arizona, takes off from the Nellis Air Force Base, Nev., flightline April 15, 2015.）

美国空军第61战斗机中队（61FS）的 F-35A 联合攻击战斗机在内利斯空军基地进行飞行前检查。（Staff Sgts. Leah Curtin and David Cruson, 61st Aircraft Maintenance Unit Staff F-35 dedicated crew chiefs, run through pre-flight checks of an F-35 Lightning II April 15, 2015, at Nellis Air Force Base, Nev.）

美国空军第61战斗机中队（61FS）的 F-35A 联合攻击战斗机在内利斯空军基地训练。（An F-35 from the Luke Air Force Base 61st Fighter Squadron’s “Top Dogs” speeds down the flightline as another of the unit’s Lightning IIs stands by for take off April 15, 2015, at Nellis Air Force Base, Nev.）

卢克空军基地的“闪电”II 在内利斯训练期间，一架 F-35A 联合攻击战斗机准备起飞。（Staff Sgts. David Cruson and Leah Curtin, 61st Aircraft Maintenance Unit Staff F-35 dedicated crew chiefs, prepare a Lightning II for takeoff at Nellis Air Force Base, Nev., April 15, 2015.）

美国佛罗里达州埃格林空军基地，首位 F-35 女飞行员（第33作战大队副指挥官）完成其第一个架次飞行训练后接受水炮施礼。（Lt. Col. Christine Mau, 33rd Operations Group deputy commander, navigates her F-35A through the “bird bath” after returning from her first flight on Eglin Air Force Base, Fla., May 5, 2015. Mau, who previously flew F-15E Strike Eagles, made history as the first female F-35 pilot in the program.）

首位 F-35 女飞行员（第33作战大队副指挥官）完成其第一个架次飞行训练后降落在埃格林空军基地。（Lt. Col. Christine Mau, 33rd Operations Group deputy commander, returns from her first F-35A training flight after landing on Eglin Air Force Base, Fla., May 5, 2015. Mau, who previously flew F-15E Strike Eagles, made history as the first female F-35 pilot in the program.）

美国海军 VFA-101 战斗攻击机中队 F-35C“闪电”II 联合攻击战斗机在训练中接近 KC-10 释放的加油椎套。（A Navy F-35C Lightning II is drogue refueled by a KC-10A during a training mission near Eglin Air Force Base, Fla., April 10, 2015.）

美国空军 F-35A“闪电”II 联合攻击战斗机在训练中接受 KC-10 空中加油。（An Air Force F-35A Lightning II is boom refueled by a KC-10A during a training mission near Eglin Air Force Base, Fla., April 10, 2015.）

美国海军 VFA-101 战斗攻击机中队 F-35C“闪电”II 联合攻击战斗机在训练中完成空中加油后飞离空中加油机。（An Air Force F-35A Lightning II clears to the right observation position after airborne refueling with a KC-10A, during a training mission near Eglin Air Force Base, Fla., April 10, 2015.）

美国海军 VFA-101 战斗攻击机中队两架 F-35C“闪电”II 联合攻击战斗机在训练中编队飞越佛罗里达海岸。（Two Navy F-35Cs fly at the left wing observation position during a training mission near Eglin Air Force Base, Fla.）