In October 1969, Killeen Base was designated as West Fort Hood and the airfield's name was designated as Robert Gray Army Airfield. The base was named after a Killeen native who was a pilot of a B-25 bomber on the famous Doolittle Raid on Tokyo in 1942.
Largest Desert In North America. Chihuahuan Desert -- the largest desert in North America covering more than 200,000 square miles -- Most of it lies south of the international border.In the U.S. it extends into parts of New Mexico, Texas and sections of southeastern Arizona.pproximate DesertUSA Boundaries: Bordered on the west by Arizona's U.S. Route 191, on the north by Interstate 40, on the east by Texas' U.S. Route 385, and south to the Mexican border. Some Mexican Gray Wolves are still in the Chihuahuan Desert.
nates the Chihuahuan Desert, with fault-grasslands that skirt the mountain flanks at mid-elevation and the diversity of yuccas and agaves. One of the agaves, lechuguilla (Agave lechuguilla), is considered the primary diagnostic species of the Chihuahuan Desert. Modification of the Environment While some of the inaccessible, montane parts of the Chihuahuan Desert region have floral and faunal communiÂ­ ties that are at least relatively intact, much of the desert has been heavily disturbed by human land use. OvergrazÂ­ ing, water diversion, aquifer âminingâ