Alert area

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Example drawn from Glasgow Air Force Base, Montana. c.1957-1968. The yellow building is a mole hole, with the grey area being the Christmas tree. GAFB Christmas Tree Alert Apron.png
Example drawn from Glasgow Air Force Base, Montana. c.1957-1968. The yellow building is a mole hole, with the grey area being the Christmas tree.

An Alert Area is a place of alert for military aircraft at United States Air Force bases. During the Cold War, bomber aircraft would be stationed on the Christmas trees within the area, ready to take off at a moment's notice. Oftentimes, tanker aircraft would be stationed in a separate area of the base, and would take off along with their bomber counterparts. At the Alert Area at Loring Air Force Base, the area consisted of a forty acre high-security area located to the southeast corner of the runway, and bordered to the east by forest. It also contains a Christmas tree and mole hole, among other buildings. [1] [2]

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Christmas tree (aviation) alert area (aviation) during the Cold War

A "Christmas tree" was a type of alert area constructed by the United States Air Force for the Strategic Air Command (SAC) during the Cold War. Oftentimes, bombers or tanker aircraft were stationed next to a readiness crew building (RCB), also known as "mole hole" facilities. The alert apron, also known as an alert ramp, received the name "Christmas tree", because in planform it resembled a tree of the same name.

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Mole hole

A mole hole, officially designated the Readiness Crew Building (RCB), is a type of structure built by the United States Air Force at former Strategic Air Command (SAC) bases around the country during the 1950s and 1960s. RCBs were located adjacent to an Alert Ramp, also called a "Christmas Tree", where Ready Alert aircraft were parked. These aircraft were initially Boeing B-47 Stratojet aircraft armed with nuclear weapons, augmented by Boeing KC-97 Stratofreighter aerial refueling aircraft. As SAC introduced newer bomber and aerial tanker aircraft into its inventory, the B-47 and KC-97 were later superseded by Boeing B-52 Stratofortress, Convair B-58 Hustler, General Dynamics FB-111 or Rockwell B-1 Lancer bombers, augmented by Boeing KC-135 Stratotanker or McDonnell Douglas KC-10 Extender aerial refueling aircraft.

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References

  1. "Written Historical and Descriptive Data Photographs" (PDF). Historic American Engineering Record. Archived from the original (PDF) on 2012-08-25. Retrieved 25 January 2013.
  2. Lowe, James; Staley, David P.; Roxlau, Katherine J. (August 1997). "A Systemic Study of Air Combat Command Cold War Material Culture Volume II-16: a Baseline Inventory of Cold War Material Culture at Loring Air Force Base". United States Air Force Air Combat Command . Retrieved 25 January 2013.