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 decision, expected after the financial markets closed, marks another pivotal point in the Air Force''s nearly decade-long struggle to begin replacing its 50-year-old KC-135 Stratotankers, which refuel fighter planes and other aircraft in mid-flight to extend the range of military operations.