The Task Group then headed north and struck the Japanese base at Truk Lagoon on 29 April. "Bataan" launched a fighter sweep and three bombing raids, with the Grumman/General Motors TBM Avenger torpedo bombers dropping of bombs on the Japanese base. One TBM Avenger was shot down during the attack, but the crew was rescued by submarine , which was engaged in lifeguard duty - patrolling for such survivors during the battle. On 30 April, "Bataan"s task group turned toward Ponape (now Pohnpei), Caroline Islands; and, the next day, she flew CAP and Anti-Submarine Patrol (ASP) missions over the battleships bombarding that island. The warships then steamed to the Marshall Islands, arriving at Kwajalein lagoon on 4 May.