Seeadler Harbor
The spring of 1944 was an active one for "Oyster Bay". On March 14, 1944, she bombarded the Japanese shore installations on Pityilu Island in support of the United States Army. On March 20, 1944, she was underway for Langemak, New Guinea, with 42 wounded soldiers for evacuation to Base Hospital, Finschhafen, New Guinea. After returning to Seeadler Harbor on March 31, 1944, she bombarded Ndrilo Island to the east of Seeadler Harbor preparatory to the landing there by U.S. Army ground forces.