The Atlas-Agena was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was...

as Agena. The combined spacecraft was a 26-foot (7.92 m)-long cylinder with a diameter of 5 feet (1.52 m), placed into low Earth orbit with the Atlas-Agena...

Atlas-Agena and Atlas-Centaur satellite launch vehicles were also derived directly from the original Atlas. The Atlas-Centaur was evolved into the Atlas II...

stage on the Atlas, Thor, Thorad and Titan IIIB rockets, and considered for others including the Space Shuttle and Atlas V. A total of 365 Agena rockets were...

that due to its larger mass would be launched on the Atlas-Agena booster instead of the Thor-Agena. While CORONA took photographs and returned them to...

PALC-2-3 and PALC-2-4 respectively. Both pads were built for use by Atlas-Agena rockets, but were later rebuilt to handle Titan rockets. The designation...

was the launch site of the Mars lander InSight in May 2018. One of two Atlas-Agena pads at VAFB, SLC-3E was originally the designated facility for MIDAS...

successful space launch vehicles, most notably Atlas Agena and Atlas Centaur. Mergers led to the acquisition of the Atlas Centaur line by the United Launch Alliance...

of the Atlas-Agena. Previous Atlas-Agena launches were launched on Atlas D or Atlas SLV-3 first stages, but the final Atlas-Agena used an Atlas E/F.[citation...

hit the surface. On Ranger 3, failure of the Atlas guidance system and a software error aboard the Agena upper stage combined to put the spacecraft on...