At this time, the Navy — needing money and qualified manpower elsewhere — reduced "Chivo's" manning level to 43 sailors and placed the boat in cadre or "non-operational" status. A service inspection completed on 16 February 1971 determined the boat was unfit for further service, as "Chivo" was "far below the standards of a Guppy III submarine considered the minimum required to meet the increasing demands of present and future submarine warfare requirements." Although temporarily returned to active duty on 26 February 1971, the status change was in preparation for her transfer to a foreign navy that summer. There was still time for providing training and services, however, and the submarine conducted operational readiness exercises with in March; mainly conducting trailing, approach and torpedo firing exercises with the newer nuclear-powered submarine. "Chivo" provided the same "opposition force" training for in April and in May. These services ended when Argentine Naval personnel arrived at Charleston on 15 June to receive two weeks of underway training with "Chivo'"s crew, focusing on diving, surfacing and snorkeling evolutions.