PROJECT MICHAEL Open PDF Document Details Document Type Technical Report Publication Date Oct 01, 1953 Accession Number AD0036724 Entities People W. A. Nierenberg Organizations Columbia University Tags Communities of Interest Air Platforms Ground and Sea Platforms DTIC Thesaurus Topics Ambient Noise Deep Water Detection Detectors Doppler Effect Frequency Measurement Military Research Minesweeping Equipment New York Noise Puerto Rico Security Shallow Water Sonar Equipment Sound Transmission Water