Acoustic Environmental Scenarios and Predictions for ASW. Volume 11. Area 4A Summer Predictions for Passive Sonar Open PDF Document Details Document Type Technical Report Publication Date Oct 01, 1972 Accession Number AD0912560 Tags Communities of Interest C4I DTIC Thesaurus Topics Acoustic Propagation Contractors Military Research Naval Operations Navy Oceans Passive Sonar Sonar Space Systems Test And Evaluation Universities