Geological investigations (August 1946) Geophysical subsurface explorations (August 1946) Joint training directive for air-ground operations / prepared jointly by Office, Chief, Army Field Forces Fort Monroe, Virginia, Headquarters, Tactical Air Command, Langley Air Force … technical manual / department of the army Ordnance maintenance : Fuze setters M14, M22, M23, M25, and M27 tm Ordnance maintenance : telescope mounts M23, M28, M31, M32, M42, M46, M52C, M52D, M54 and M71, 1954 - Technical Manual TM 9-6101