The last firing of the Seaslug Mk 1 was in December 1981 by , the final GWS1 (or Batch 1) ship in active service. was converted to a training ship, and had her Seaslug systems removed, freeing up large spaces for classrooms and was completed in June 1986. "Fife" and the remaining GWS2 ships were sold to Chile between 1982 and 1987. Initially, the British government had hoped that the Chileans would accept a package to upgrade the ships to operate Seadart, but this was not taken up and they were transferred complete with Seaslug. The Chilean ships were later refitted with an extended flight deck in place of the Seaslug launcher.