 On 22 January, she embarked a hydrographic party; and, on the 23rd, she sortied with Task Force 51, the Marshall Islands assault force.On the 31st, "Sage" commenced minesweeping and hydrographic survey operations at Majuro; and, four days later, shifted to Kwajalein.For the next week, she alternated antisubmarine patrols with sonar watch duty at the entrance to the lagoon.