Summary Technical Report of Division 6, NDRC. Volume 6A. The Application of Oceanography to Subsurface Warfare Open PDF Document Details Document Type Technical Report Publication Date Sep 30, 1946 Accession Number AD0200784 Tags Communities of Interest Ground and Sea Platforms Weapons Technologies DTIC Thesaurus Topics Acoustic Phenomena Acoustic Properties Acoustics Birds Convection Drops Geography Naval Operations Naval Warfare Navy Ocean Currents Oceanography Ridges Salt Water Sea Water Terrain Topography