A week later she sailed with a convoy of U.S. Coast Guard cutters and Navy ships, which steamed to North Africa to support Allied operations in the Mediterranean.

She arrived Casablanca, French Morocco, 13 August; a week later she departed with Task Force 64 escorting a convoy bound back to the United States.

Arriving New York 5 September, Jacob Jones underwent inspection and on the 16th departed for ASW convoy training with Hammann and Robert E. Peary at Casco, Maine.

After repairs and training, she made rendezvous 13 May with 44 merchant ships and 17 escorts for the 10-day passage to Northern Ireland and returned to New York 8 June with a westbound convoy.

Departing from either New York or Boston, Massachusetts, she sailed as convoy escort to such ports as Derry and Moville, Northern Ireland; Liverpool, Southampton and Plymouth, England; and Le Havre and Cherbourg, France.

Three weeks and a day after Germany's unconditional surrender, Jacob Jones departed Southampton, England, and steamed in convoy for the United States.

As the Japanese Empire prepared to surrender, Jacob Jones departed the Destroyer Base, San Diego, California, 9 August 1945 for Pearl Harbor.