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Recognition Pictorial Manual Aircraft
By
Marcel Couty
NHI Copy 3 FM 30-30 WAR DEPARTMENT BASIC FIELD MANUAL MILITARY INTELLIGENCE IDENTIFICATION OF U. S. GOVERNMENT AIRCRAFT February 21, 1942
NHI Copy 3 FM 30-30 WAR DEPARTMENT BASIC FIELD MANUAL MILITARY INTELLIGENCE IDENTIFICATION OF U. S. GOVERNMENT AIRCRAFT February 21, 1942