The SM-65E Atlas, or Atlas-E, was an operational variant of the Atlas missile. It first flew on 11 October 1960, and was deployed as an operational ICBM from September 1961 until April 1966. Following retirement as an ICBM, the Atlas-E, along with the Atlas-F

SM-65F Atlas

The SM-65F Atlas, or Atlas-F, was the final operational variant of the Atlas missile. It first flew on 8 August 1961, and was deployed as an operational ICBM between 1961 and 1966. Following retirement as an ICBM, the Atlas-F, along with the Atlas-E, was refurbished for orbital launches as the...

, was refurbished for orbit

Orbit

In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

al launches as the Atlas E/F

Atlas E/F

The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...

. The last Atlas E/F launch was conducted on 24 March 1995, using a rocket which had originally been built as an Atlas-E.

Atlas-E launches were conducted from Cape Canaveral Air Force Station

Cape Canaveral Air Force Station

Cape Canaveral Air Force Station is an installation of the United States Air Force Space Command's 45th Space Wing, headquartered at nearby Patrick Air Force Base. Located on Cape Canaveral in the state of Florida, CCAFS is the primary launch head of America's Eastern Range with four launch pads...

, at Launch Complexes 11

Cape Canaveral Air Force Station Launch Complex 11

Launch Complex 11 at Cape Canaveral Air Force Station, Florida, is a launch complex used by Atlas missiles between 1958 and 1964. It is the southernmost of the launch pads known as missile row...

 and 13

Cape Canaveral Air Force Station Launch Complex 13

Launch Complex 13 at Cape Canaveral Air Force Station, Florida is a deactivated launch complex used by Atlas rockets and missiles between 1958 and 1978. It is the third-most southern of the complexes known as missile row, between LC-12 and LC-14...

, and Vandenberg Air Force Base

Vandenberg Air Force Base

Vandenberg Air Force Base is a United States Air Force Base, located approximately northwest of Lompoc, California. It is under the jurisdiction of the 30th Space Wing, Air Force Space Command ....

 at OSTF-1, LC-576

Vandenberg AFB Launch Complex 576

Launch Complex 576, also known as Area 576, is a group of rocket launch pads at Vandenberg Air Force Base. The pads at the complex were used from 1959 until 1971 to launch SM-65 Atlas missiles. The site was also known as Complex ABRES...

 and SLC-3

Vandenberg AFB Space Launch Complex 3

Space Launch Complex 3 is a launch site at Vandenberg Air Force Base that has been used by Atlas and Thor rockets. It was built in the early 1960s and consists of two pads, SLC-3E and SLC-3W . The East-West coastline at Vandenberg allows SLC-3 to launch over-ocean polar trajectories that avoid...

.