sentences:  For all but the Ormoc landings, she remained on the scene after the initial troop landings, helping extend the mineswept areas and providing antisubmarine and antiaircraft protection to the transports.Many mines were encountered, and kamikaze resistance was intense, and the ships saw much antiaircraft action.On 13 February, "Sentry" and her division began pre-invasion sweeps in Manila Bay in preparation for the landings at Mariveles and Corregidor.