Strategic Antisubmarine Warfare and Naval Strategy

active sonar ambient noise ambient noise level Arctic Ocean array gain assumed ASW aircraft ASW forces attack submarines Barents Sea bioluminescence capability cavitation convergence zone correlation Defense depth detection range detection threshold effective estimates feet figure fleet GIUK gap Greenland home waters hydrophones Hz band Ibid increase internal waves knots laser launch limit magnetic maximum meters miles missile submarines narrowband Naval Institute noise levels nonacoustic Norwegian Sea nuclear weapons operations Pacific passive sonar percent probably propeller quiet quieter radar radiated reactor relatively rines SASC Sea of Okhotsk sensors shallow water shipping noise signature sonar system sonobuoys SOSUS sound levels sound speed Soviet attack submarines Soviet Navy Soviet SSBNs Soviet submarines Soviet Union spectrum SSBN patrol areas SSNs strategic ASW strategic submarines subma Submarine Design surface ships surveillance tactical target temperature threat tion torpedo trailing transmission loss underwater United Urick wake wavelength