Space Launch Complex 4 (SLC-4) is a launch and landing site at Vandenberg Space Force Base, California, U.S. It has two pads, both of which are used by SpaceX for Falcon 9, one for launch operations, and the other as Landing Zone 4 (LZ-4) for SpaceX landings.
SLC-4 with Falcon 9 on launch pad at SLC-4E in January 2017
Titan IIID launch from SLC-4E
Final Titan IV launch from SLC-4E in 2005
Inaugural mission of the Falcon 9 v1.1 from SLC-4E in September 2013
Atlas-Agena
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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 launched 109 times between 1960 and 1978. It was used to launch the first five Mariner uncrewed probes to the planets Venus and Mars, and the Ranger and Lunar Orbiter uncrewed probes to the Moon. The upper stage was also used as an uncrewed orbital target vehicle for the Gemini crewed spacecraft to practice rendezvous and docking. However, the launch vehicle family was originally developed for the Air Force and most of its launches were classified DoD payloads.
Ranger block I spacecraft bus was used for the first two Rangers, and also for the first two Mariner interplanetary probes
Mariner 3, 4, and 5 spacecraft bus
The Agena Target Vehicle as seen from Gemini 8 during rendezvous, March 16, 1966