FM 30-21: Military Intelligence. Role of Aerial Photography

FM 30-21 Military Intelligence. Role of Aerial Photography

FM 30-21

Military Intelligence. Role of Aerial Photography

Army · FM · Jan 1940 · 105 pages

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RESTRICTED BASIC FIELD MANUAL MILITARY INTELLIGENCE FM 30-21 c 2 ROLE OF AERIAL PHOTOGRAPHY WAR DEPARTMENT, No. 2 WASHINGTON, December 28, 1942. November 1, 1940, is changed as follows: SECTION VII (ADDED) GRAPHICAL REPRESENTATION OF INFORMATION • 57. RECORDING CHANGE.-a. In the G-2 section of any unit, information on enemy activity is obtained by a number of different types of studies. A means of recording changes should be used which fits both the situation and the purpose for which the information is obtained. b. In forward positions, changes in such activities as entrenchments, obstacles, antitank fortifications, barbed wire, communications, supply installations, and dummy positions must be recorded. The most common means of recording such information is by conventional signs and symbols on maps or overlays.

DesignationFM 30-21

EditionJan 1940

StatusSuperseded

Pages105

FunctionRecon Intel

CollectionHistoric

Public domain (U.S. Government work)

References 8

TM 2180-5Not in the Vault
TM 2180Not in the Vault