Keywords: USS Inchon (LPH-12 ) off Haiphong in 1973.jpg The U S Navy amphibious assault ship USS Inchon LPH-12 anchored in Haiphong Harbour North Vietnam on 20 June 1973 while participating in Operation End Sweep A Boeing-Vertol CH-46D Sea Knight helicopter is flying off the ship's port side Five other CH-46s seven Sikorsky RH-53A Sea Stallions and one Bell UH-1 Huey are visible on her flight deck Official U S Navy photo http //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-107000/NH-107678 html NH 107678 from the U S Navy http //www history navy mil Naval History and Heritage Command 1973-07-20 PHCS Virgil O McColley U S Navy PD-USGov-Military-Navy USS Inchon LPH-12 Operation End Sweep |