 After the outbreak of World War I in August 1914 , Marceau was converted into a floating workshop to support torpedo boats and submarines . She was initially based in Malta , but was later moved to Corfu and then to Bizerte in 1918 . She was stricken from the naval register on 1 October 1920 , and sold to a shipbreaking firm based in Toulon in 1921 . While she was being towed to Toulon , a storm caused her to run aground off Bizerte . She remained visible there until the 1930s . 
