Pacific Ocean operations Satinleaf arrived at
San Pedro, California, on 9 May 1944 for
shakedown, and sailed from there on 13 June 1944 to join the Service Force,
U.S. 7th Fleet, at
Funafuti, traveling via
Pearl Harbor. On 27 July, she departed Funafuti towing an Army barge which she delivered to
Milne Bay,
New Guinea, on 6 August. She was employed there as a harbor defense and general utility vessel until 1 October, departing the harbor only to deliver a barge to
Manus between 18 and 25 September.
Supporting invasion of the Philippines On 1 October, the ship sailed for
Brisbane,
Australia, where she loaded
sonar buoy equipment for use in the forthcoming assault at
Leyte Gulf. Picking up personnel for the buoy unit at Milne Bay on 15 October, she arrived at Leyte on 29 October, shortly after the landings. The ship began laying the sonar buoys on 5 November 1944, and guarded them until 17 January 1945, providing protection to ships anchored off Leyte. On 20 January, she became Harbor Entry Control Vessel and performed that duty until 12 March. Then, for the next month, she was employed in general utility work in
San Pedro and
Guiuan Roadstead and assisted part-time with the Guiuan Roadtead net defenses.
Supporting Tarakan landings On 15 April 1945,
Satinleaf was assigned to the Amphibious Forces, 7th Fleet, and sailed a week later with navigation buoys for the
Tarakan landings. Arriving off Tarakan,
Borneo, on 27 April, she laid navigation buoys to guide the assault ships along the cleared channel. This mission was completed on 30 April, and the ship sailed on 8 May for
Morotai where she staged for the
Brunei landings. Arriving off Brunei, Borneo, on 7 June, she once again laid navigation buoys in the channel; and, after completion of this duty on 9 June, she remained in the area providing general utility services until departing for Leyte Gulf on 25 June. She helped install net defenses in Guiuan Roadstead until sailing to
Manus on 12 July for overhaul.
End-of-war operations Returning to Guiuan Roadstead on 30 August, after the
Japanese surrender,
Satinleaf helped remove net defenses in the Leyte Gulf area until sailing for the
United States on 27 November 1945 via
Eniwetok and
Pearl Harbor. She arrived at
San Pedro, California, on 4 January 1946 and moved to
Tiburon, California, on 13 February to begin inactivation. ==Post-war decommissioning==