Jun 24, 1944
USS Grouper (SS 214) attacked a Japanese convoy off the coast of central Japan and sank cargo ship Kumanoyama Maru and merchant tanker No.6 Nanmei Maru south of Yokosuka. Also on this date, USS Redfin (SS 272) attacked a convoy and sank Aso Maru southwest of Surigao Strait while USS Tang (SS 306) attacked a convoy and sank army cargo ships Tamahoko Maru and Kennichi Maru, merchant tanker Nasuzan Maru, and cargo ship Tainan Maru outside Nagasaki Harbor, Kyushu.
Theater: Pacific Theater
Source: Naval History & Heritage Command