 Additional navigational equipment and accommodation were installed to provide berths for both midshipmen from Dartmouth and apprentices from HMS "Caledonia" who were undergoing sea training.In early 1982, "Londonderry" accompanied "Fearless" on a sea training trip to the West Indies and the United States of America, visiting Virgin Gorda in the British Virgin Islands and New Orleans during the Mardi Gras celebrations.Returning home she was paid off into reserve on 31 March 1982.