Coverage of research at the Aerospace Medical Division Aerospace Medical Research Laboratories including scenes of F-104 seat ejection; drop tests from C-130 and ejection from F-106; effects of weightlessness on cats and pigeons in a C-131; test subjects in water tank, on centrifuge, in heat chamber and on complex coordinator. Also shows scenes of vertical deceleration tower, incline impact test facility, vertical accelerator, equilibrium chair and vibration platform.