The United States Army took control of her at Newport News in September 1917 for World War I service under a bareboat charter from her owner, A. H. Bull Steamship Company of New York City.

Steaming from Brest on 22 October 1918, Jean visited the ports of La Pallice, Bordeaux, and Le Verdon-sur-Mer.

Jean refueled, loaded 3,164 tons of cargo, and departed on 30 December 1918 for Rio de Janeiro, Brazil, via Barbados.

She arrived at Rio de Janeiro on 27 January 1919, exchanged her cargo of coal for coffee beans, and departed for New York City via Santos, Brazil.

Once again named SS Sports in 1947, the ship later was transferred to the Panamanian flag and remained in commercial service until scrapped in 1954.