sentences:  "Spiro" was constructed at the Río Santiago Shipyard of the Astilleros y Fábricas Navales del Estado (State Shipyards and Naval Factories) state corporation.Her keel was laid down on 2 October 1982, and was launched on 24 June 1983.The ship was officially delivered to the Navy on 26 November 1987, and formally commissioned on 9 May 1988.