Fired from a converted Navy LSM , they could reach an altitude of 50,000 feet ( 15,000 m ) .
Fired from a converted Navy LSM , they had a complete telemetry system to send back information on cosmic , ultraviolet and X-rays .
Fired from a converted Navy LSM , they could reach an altitude of 50,000 feet ( 15,000 m ) and had a complete telemetry system to send back information on cosmic , ultraviolet and X-rays .