This book, originally published in 1942 by the U.S. Army's Military Intelligence Service, contains information based on German and British reports explaining German survival and adaptation to the desert. Desert operations have much in common with operations in the other parts of the world. The unique aspects of desert operations stem primarily from heat and lack of moisture. While these two factors have significant consequences, most of the doctrine, tactics, techniques, and procedures used in operations in other parts of the world apply to desert operations. The challenge of desert operations is to adapt to a new environment.