Isoroku Yamamoto personally observed the launch of a strike at Vunakanau field near Rabaul, New Britain, which ultimately consisted of 17 G4M bombers of 751 Air Group and 26 G4M bombers of 705 Air Group with 130 fighters in escort. At 0945 hours, the attack was detected by the radar station at Dona on the coast of Australian Papua. The attack destroyed 3 B-25 bombers and 1 Beaufighter at Schwimmer Airfield near Port Moresby, Australian Papua; nearby Berry Airfield suffered destroyed buildings and Ward's Airfield suffered 5,000 drums of gasoline destroyed. The Japanese lost 6 bombers and 2 fighters in combat; 2 additional bombers were lost after making crash landings.
