US submarine USS Seadragon discovered Japanese hospital ship Hikawa Maru, with an escorting destroyer, zigzagging in the St. George's Channel off New Britain. Although Hikawa Maru was in violation of international law (by zigzagging and by being accompanied by a warship), USS Seadragon did not attack. Hikawa Maru arrived at Rabaul later that day Tabular Record of Movement
