American defense policy / prepared by associates in political science, United air force academy: Wesley W. Posvar, John C. Ries [,etc.] buships manual Orientation training manual for DLG Terrier shipboard guided missile weapon systems (Vitro Laboratories, Silver Spring, Maryland) / United States Navy Department. Bureau of Ships : … buships manual Orientation training manual for DLG Terrier shipboard guided missile weapon systems (Vitro Laboratories, Silver Spring, Maryland) / United States Navy Department. Bureau of Ships : … Final report on special study of setback and spin for artillery, mortar, recoilless rifle, and tank ammunition / by Leo D. Heppner