English: Able IV, the world's first space engine, was built as part of the Pioneer program. A launch attempt made on November 26, 1959, resulted in the loss of the spacecraft.
{{Information |Description={{en|1=Able IV, the World's First Space Engine November 26, 1959}} |Source=Own Work |Author=Enichen |Date=2010-06-22 |Permission= |other_versions= }} Category:SpaceCategory:Space exploration [[Category:Space exploratio