Sikorsky HSS-1 Seabat helicopters of U.S. Navy anti-submarine squadron HS-5 practice “dipping” with submersible sonar. (Courtesy of Dan Manningham)
Courtesy of Dan Manningham
Sikorsky HSS-1 Seabat helicopters of U.S. Navy anti-submarine squadron HS-5 practice “dipping” with submersible sonar. (Courtesy of Dan Manningham)
Courtesy of Dan Manningham