After the outbreak of World War I, she was suspected of supplying German cruisers in the Leeward Islands. After several cruises, in which she narrowly avoided capture by British and French ships, she entered the port of San Juan, Puerto Rico, early in 1915 and was interned with the HAPAG ship Odenwald and the captured collierKD-III. After the United States entered the war in April 1917, the US Navy took her over on the authority of President Woodrow Wilson's Executive Order2619-A of 14 May 1917. Präsident sailed to the United States escorted by USS Hancock and was refitted for naval service. She was commissioned as USS Kittery 6 July at Philadelphia, Pennsylvania.
World War I North Atlantic service
Assigned to cargo and troop transport service between the United States and the West Indies, Kittery left Philadelphia on 18 July. Operating out of Charleston, South Carolina, she made monthly trips during the remainder of the war to supply US forces.
Post-war operations
After the war she continued cargo service from Charleston and Norfolk, Virginia, for more than 15 years, making scores of runs to West Indian ports. After a final trip to Guantanamo Bay Naval Base, Port-au-Prince, and Cap-Haïtien, she arrived Norfolk 21 December 1932. She left on 28 January 1933 and reached Philadelphia two days later.
Decommissioning
Kittery decommissioned on 5 April, and her name was struck from the Navy List 11 April 1933. She was transferred to the United States Shipping Board 26 June 1933 and scrapped in 1937.
Military awards and honors
Kittery's crew members were authorized the following medals: