Convair B-58 Hustler rocket sled designed to evaluate different ejection seat designs.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...d_fullsize.jpg



Previously:

Ejection seat simulator - GIF
Soviet ejection seat simulator - GIF
Ejection seat testing - GIF
Cessna Scorpion ejection seat test - GIF
Tupolev Tu-154 ejection seat trainer and test platform - photo