The Navy had begun its gigantic island campaign in the Pacific with the capture of the Gilberts, and "Healy" departed on 16 January 1944 for the second major operation, the capture of the Marshall Islands. Until being detached from the group 1 February, "Healy" screened and "Yorktown" during devastating raids on installations on the target islands, including Kwajalein. "Healy" was assigned 1 February to escort and to Majuro, and rendezvoused with the carriers there 4 February.