http://www.ulongbeach.com/USS_Robalo.html USS Robalo 1st Patrol 8 January 1944-6 March 1944] There, en route to her new station in Fremantle submarine base, Western Australia, she had an encounter with enemy vessels: on 13 February 1944 east of the Verde Island Passage the Rabalo had come across a convoy of two large ships escorted by a minesweeper which dropped 13 depth charges and fired twice at the submarine with a deck gun; USS Rabalo 1st Patrol 8 January 1944-6 March 1944 although USS Robalo is "credited" with damaging a large freighter, firing four torpedoes at 3100 yards Blair, 581.