A star in the constellation Ursa Minoris; also called the North Star or Polaris.
(SP3787: dp. 8,835; l. 3533; b. 49; dr. 231; s. 11 k.; cpl. 86)
Polar Star (SP3787) was built in 1918 by the Baltimore Dry Dock and Shipbuilding Co., Baltimore, Md.; requisitioned by USSB for use in NOTS as a refrigerated cargo ship 23 October 1918; and commissioned at Baltimore 4 January 1919, Lt. Comdr. Thomas F. Gorman, USNRF, in command.
Polar Star quickly entered NOTS service, and was sent from New York 19 February 1919 with a cargo of supplies for the use of the USSB in Montevideo, Uruguay. After visiting La Plata and Pernambuco she returned via Barbados to the U.S. 29 April 1919.
Polar Star decommissioned 14 May 1919 at New York and was returned to the USSB.