After shakedown, Laurentia loaded frozen and refrigerated provisions at Mobile, Alabama, and departed for the Pacific Ocean 27 June.

She reached Pearl Harbor 11 July; discharged cargo; then sailed 7 August to carry cold stores to American bases in the Marshalls, the Marianas, and the Palaus.

On 6 November the Maritime Commission transferred her to the United States Army under bareboat charter for supply operations in the Pacific.

After loading provisions, she sailed 10 May on a circular supply run to American bases in the Caribbean, principally to the Panama Canal Zone, the Virgin Islands, and Puerto Rico.

Laurentia's crew was eligible for the following medals: This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.