Soviet Navy Yakovlev Yak-38U, the two-seater trainer version of the VTOL strike fighter aircraft.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
Tupolev Tu-154 ejection seat trainer and test platform - photo
Yakolev Yak-15 fighter aircraft - GIF
Fanjet FT-600 trainer aircraft - photo
Waddell's Wagon for training 747 pilots to taxi - photo
WWII bailing out of aircraft training - GIF