Cebus special mission was providing shops and trained men for the repair of
internal combustion engines, but through the course of the war, her men performed a variety of tasks, ranging from the repairing of ship's clocks to major work on
battleships. She arrived at
Manus in the
Admiralty Islands 10 September 1944. At this fleet base, she prepared small craft and larger ships for their role in the
Philippine operations, working many times around the clock in order to insure the readiness of ships vital to the invasion assaults.
Mount Hood explosion At Manus on 10 November 1944,
Cebu was anchored only from when the ammunition ship exploded, showering
Cebus decks with bomb fragments and heavy projectiles. Five of her men were killed and six wounded, but quick work prevented serious damage to the ship itself. She was able to continue her work without interruption, preparing ships for the
Lingayen and
Iwo Jima assaults. ==Philippines and occupation duty==