Keywords: North Vietnamese torpedo boats under attack by US Navy aircraft on 5 August 1964.jpg A North Vietnamese Shantou-class gunboat followed by a P-4 type motor torpedo boat under attack by aircraft from the U S Navy aircraft carrier USS Constellation CVA-64 off North Vietnam's Lach Chao Estuary 5 August 1964 The Shantou-class wanown in the United States as the Swatow-class Official U S Navy photo https //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-95000/NH-95612 html NH 95612 from the U S Navy http //www history navy mil Naval History and Heritage Command 1964-08-05 U S Navy taken by a USS Constellation CVA-64 reconnaissance plane PD-USGov-Military-Navy Shantou class gunboat Vietnam People's Navy P-4 class torpedo boat Operation Pierce Arrow 1964 |