Departing Makin on 25 December, she steamed back to Hawaii for pre-invasion training in preparation for her next assignment. Sailing from Pearl Harbor again on 28 January 1944, "LeHardy" formed part of the escort and ASW screen for a convoy to the Marshall Islands landings. She arrived off Kwajalein on 5 February, the day the atoll was secured, then escorted the cargo ships to Funafuti, Ellice Islands. She returned to the Marshalls in mid-February for patrols and screening duties during the capture of Eniwetok, before sailing for Pearl Harbor on 4 March.