"Ariadne" came out of refit in Rosyth Dockyard, Fife, Scotland in 1989 and replaced in the Dartmouth Training Squadron. In 1990, in consort with HM ships and , she took part in "Endeavour '90", a six-month circumnavigation of the globe. During this deployment she travelled 500,000 miles and was one of the first Royal Navy warships to visit Dutch Harbour, in the Aleutian Islands, since Captain James Cook landed there in "Endeavour". Between 1988 and 1990 she was commanded by Commander Adrian Johns.