Keywords: Ten HO4S of HS-4 approach USS Badoeng Strait (CVE-116) in 1954.jpg A formation of circa eleven U S Navy Sikorsky HO4S helicopters from Helicopter Anti-Submarine Squadron 4 HS-4 approach the escort carrier USS Badoeng Strait CVE-116 during exercises off the U S West Coast on 27 July 1954 This marked the first time that a helicopter anti-submarine warfare squadron took over full use of a carrier for ASW exercises Official U S Navy photo http //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-52000/NH-52416 html NH 52416 from the U S Navy http //www history navy mil Naval History and Heritage Command 1954-07-27 U S Navy PD-USGov-Military-Navy Sikorsky H-19 United States Navy Helicopter Anti-Submarine Squadron 4 United States Navy USS Badoeng Strait CVE-116 |