 Andromeda returned home later that year and began a lengthy refit . She was assigned to the China Station in 1904 and returned home three years later . The ship was reduced to reserve at Chatham Dockyard upon her return , but transferred to Devonport Dockyard shortly afterwards . Andromeda was assigned to the 9th Cruiser Squadron of the new reserve Third Fleet in 1912 . The following year the ship was converted to a boys ' training ship and renamed Powerful II on 23 September 1913 . She was later renamed Impregnable II in November 1919 and finally , HMS Defiance on 20 January 1931 , when she became part of the torpedo school . The ship was sold for scrap in 1956 and arrived at Burgt , Belgium , on 14 August to begin demolition . 
