For its second tour, VMF-122's flight echelon embarked upon the escort carrier in July 1944 while the ground echelon steamed out on the . Beginning in October 1944 the echelons were reunited and began operating from an airstrip on Peleliu. At times they provided close air support for Marines during the Battle of Peleliu at distances of just over 1000 yards from where they took off. The squadrons ability to provide napalm and rockets, both new weapons systems, greatly aided in the destruction of the last Japanese strongholds on the island. For the remainder of the war they remained on the island conducting combat operations until August 1945.