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The U.S. Army and Marine Corps use maps and photo-imagery products to operate over a wide range of terrains. Personnel must be prepared to use these products not only for orientation and navigation but also to make tactical decisions quickly and accurately based on terrain considerations. The objective of this research task was to develop experimental land navigation training materials for use in a prototype training course for Army and Marine infantrymen. Map interpretation and terrain analysis course (MITAC) techniques were used to develop an illustrated tape-slide lecture on land navigation methods. MITAC techniques combine cartographic principles and practices with terrain association methods for training purposes. A five-part lecture series was developed based on the 1:50,000-scale topographic maps produced by the Defense Mapping Agency. The series includes lectures on (1) an introduction to map interpretation, (2) interpretation of terrain relief, (3) interpretation of inland hydrography, (4) interpretation of vegetation, and (5) interpretation of transportation lines. The experimental materials are currently being validated for task content and media compatibility using USMC subject matter experts (SMEs). They will be revised and organized per SME recommendations and tested for training effectiveness with participants from Marine infantry battalions.