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US.ARMY.( 19479 ). FM 5 - 15 FILED FORTIFICATIONS. WASHINGTON,D.C.
DEPARTMENT OF THE ARMY
……………( 1972 ). FM 5 - 15 FILED FORTIFICATIONS . WASHINGTON,D.C.
DEPARTMENT OF THE ARMY
..................(1985 ). FM 5 - 103 SURVIVABILITY. WASHINGTON,D.C. DERARTMENT
OF THE ARMY
