sentences: "Sentry" remained in Leyte Gulf for the next six weeks then participated in most of the subsequent landings in the Philippines.With her division, Mine Division 34 she carried out pre-invasion sweeps at Ormoc Bay on 6 December 1944, Mindoro Island on 14 December Lingayen Gulf on 6 January 1945, and Zambales and Subic Bay on 29–31 January.