 The future Lord Nelson served as Agamemnon 's captain from January 1793 for 3 years and 3 months , during which time she saw considerable service in the Mediterranean . After Nelson 's departure , she was involved in the infamous 1797 mutinies at Spithead and the Nore , and in 1801 was present at the first Battle of Copenhagen , but ran aground before being able to enter the action . 
