"The purpose of this 1941 manual is to present in simplified form necessary information for instruction of all military personnel in elementary map and aerial photograph reading."
"This 1941 manual sets forth the nature, types, and purposes of aerial photography with its application to military requirements. The Air Corps functions with respect to aerial photography and the factors affecting the execution of these function...
This handbook provides guidance for commanders, staff officers, battery officers, and other personnel in planning and executing airmobile artillery operations. The techniques are applicable to all artillery units that can be transported tactically...
United States Air Corps Tactical School (Langley Field)
"The scope of this 1927 course in Antiaircraft Defense as taught at this school is to familiarize Air Corps commanders with the capabilities and limitations of the antiaircraft Service, and to assure coordination and cooperation between the Air...