Trisha Shetty (Editor)

Vandenberg AFB Space Launch Complex 3

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Location  34.6423°N 120.5885°W
Min / max orbital inclination  51° – 145°
Launch pad  2
Operator  United States Air Force
Short name  SLC-3
Status  Demolished
Launch site  Vandenberg Air Force Base
Total launches  120
Vandenberg AFB Space Launch Complex 3 wwwsiloworldnetMISSILE2020LAUNCHESVAFBSLC3
First launch  October 11, 1960 Atlas-Agena / Samos 1
Last launch  March 24, 1995 Atlas-E/F / USA-109

Atlas 5 launch from slc 3e vandenberg air force base calif 2 11 2013 10 02 am


Space Launch Complex 3 (SLC-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 (East) and SLC-3W (West). The East-West coastline at Vandenberg allows SLC-3 to launch over-ocean polar trajectories that avoid landfall until passing over Antarctica. By contrast, Cape Canaveral has a North-South coastline permitting over-ocean launches into standard orbits.

Contents

SLC-3E

Three successful Atlas IIAS missions were flown from SLC-3E. The first mission, flown on December 18, 1999, launched the Terra satellite. The other two launched satellites in the Naval Ocean Surveillance System, USA 160 and USA 173. The final Atlas IIAS mission from SLC-3E was launched on December 2, 2003.

It was reported in 2003 that SLC-3E would be overhauled to serve as a launch platform for the Atlas V. Renovations of SLC-3E, which began after a January 2004 ground breaking ceremony, included raising the Mobile Service Tower roof by approximately 30 ft (9.1 m), to a height of 239 ft (73 m). The tower can thus accommodate an Atlas V 500 series vehicle with its larger payload fairing. In July 2004 Lockheed Martin announced the arrival of the fourth and final segment of the fixed launch platform (FLP). The segments had been transported from a fabrication facility in Oak Hill, FL, 3,500 miles (5,600 km) away. The largest segment weighed 90 tons and, "is thought to be the biggest over-the-road shipment ever attempted cross-country." In February 2005 the activations team handed over the launch pad to the operational team, marking the end of major reconstruction. The first Atlas V launch from SLC-3E took place at 10:02 GMT on March 13, 2008.

SLC-3W

SLC-3W was originally built for Atlas-Agena launches and the first flight off the pad was the launch of Samos 1 in October 1960. The facility was extensively damaged 11 months later when Samos 3's booster exploded on the pad, but it was repaired quickly and hosted its next launch slightly under two months afterwards.

In 1962-63, the pad was converted for Thor-Agena use and was the primary launching site for Corona reconnaissance satellites for the next decade. After the Corona program ended in 1972, SLC-3W was converted back to support Atlases, this time flights of refurbished Atlas E/F missiles. The final such launch took place in 1995.

SpaceX initially planned to use SLC-3W for the Falcon 1 launch vehicle but switched to SLC-4E with Falcon 9.

References

Vandenberg AFB Space Launch Complex 3 Wikipedia


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