X-Cave. X-Cave has two vertical joint passages that meander through a large layer of limestone, putting you up-close to beautiful cave formations. The name of this cave refers to the configuration of its passages which cross in the center of the cave to form the letter X.
The total count of 5,032 aircraft includes all manned and unmanned aircraft in the Air Forceâs inventory. This report assesses the Air Forceâs fleet of tactical aircraft which, as noted in the introduction and described below, requires 1,200 planes to execute a two-MRC strategy.
The Air Force plans to replace the aging 707-based aircraft with an updated, smaller business jet class airframe. A Life Cycle Management Center team based out of Hanscom AFB, Mass., leads the recapitalization effort. (U.S. Air Force photo/Master Sgt. Jeremy Lock/Released)