Before her U.S. Navy career, Spica served the United Kingdom's Royal Fleet Auxiliary as RFA Tarbatness (A345).
RFA Tarbatness (A345) was built at Swan Hunter & Wigham Richardson Ltd., Wallsend-On-Tyne, England, for the Royal Fleet Auxiliary. She was laid down on 1 April 1965 and was launched on 1 February 1967.
Spica was purchased by the U.S. Navy and placed into non-commissioned service as a combat stores ship on 1 November 1981 as the USNS Spica (T-AFS-9), a unit of the Military Sealift Command (MSC) Naval Auxiliary Force Atlantic.
Spica’s mission was to provide underway replenishment in support of naval forces by providing refrigerated supplies, dry supplies, spare parts, general supplies, fleet freight, mail, and replacement personnel by alongside or by vertical replenishment processes.
Spica was authorized the following awards:[1]
Spica was inactivated on 26 January 2008 and turned over to the Inactive Ship Maintenance Facility at Philadelphia, Pennsylvania, for disposal.[2] She was sunk as a target on 6 May 2009.[2]