Desert Operations US Army Author:Department of Defense Successful desert operations require adaptation to the environment and to the limitations its terrain and climate impose. Equipment and tactics must be modified and adapted to a dusty and rugged landscape where temperatures vary from extreme highs down to freezing and where visibility may change from 30 miles to 30 feet in a matter of minutes. D... more »eserts are arid, barren regions of the earth incapable of supporting normal life due to lack of water.« less