QUARTERLY PROGRESS REPT. 1 OCTOBER-31 DECEMBER 1953 (HARBOR PROTECTION STUDIES) Open PDF Document Details Document Type Technical Report Publication Date Dec 31, 1953 Accession Number AD0026960 Entities Organizations Yale University Tags Communities of Interest Ground and Sea Platforms Human Systems Weapons Technologies DTIC Thesaurus Topics Administrative Personnel Boats Contracts Detection Electronic Equipment Measurement National Security Naval Operations Navigation Pressure Gages Radar Range Finding Security Ships Sound Ranging Underwater Sound Universities