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Thor-Able IV





Written and Edited by Cliff Lethbridge




Classification: Space Launch Vehicle


Length: 90 feet


Diameter: 8 feet


Date of First Cape Canaveral Launch: March 11, 1960


Date of Final Cape Canaveral Launch: March 11, 1960


Number Launched from Cape Canaveral: 1


Thor-Able IV was the NASA designation for a Thor-Able variant configured to support the launch of the Pioneer-V spacecraft on March 11, 1960. The 95-pound spacecraft was successfully sent past the planet Venus and was the world's first spacecraft to send radio signals to Earth from interplanetary distance. The Thor-Able IV employed a Thor missile as first stage, an Aerojet liquid-fueled second stage and an Able solid-fueled third stage.


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