美国空军 T-38A 教练机在训练间歇进入停机坪准备加油。（Pilots of a T-38 Talon exit the plane for a refueling before continuing on to its next destination April 28, 2015, at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑入停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015, at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑向停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015, at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑向停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015, at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑向停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015, at Scott AFB, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑向停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015 at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机在训练间歇滑向停机坪准备加油。（A T-38 Talon from Whiteman Air Force Base, Mo., stops to refuel before continuing on to its next destination April 28, 2015, at Scott Air Force Base, Ill. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机从史考特空军基地起飞训练，该型机主要用于飞行员的联合训练，并测试实验设备。（T-38 Talons from Whiteman Air Force Base, Missouri, take off from Scott AFB, Illinois, after conducting training April 27, 2015. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机从史考特空军基地起飞训练，该型机主要用于飞行员的联合训练，并测试实验设备。（T-38 Talons from Whiteman Air Force Base, Mo., take off from Scott AFB, Ill., after conducting training April 27, 2015. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）

美国空军 T-38A 教练机从史考特空军基地起飞训练，该型机主要用于飞行员的联合训练，并测试实验设备。（T-38 Talons from Whiteman Air Force Base, Mo., take off from Scott Air Force Base, Ill., after conducting training April 27, 2015. The T-38 is primarily used for joint specialized undergraduate pilot training, but the aircraft is also used for its companion training program and to test experimental equipment.）