You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : Admiral Samuel Graves (17 April 1713 -- 8 March 1787) was a British Royal Navy admiral who is probably best known for his role early in the American War of Independence.
Question : Which military did Samuel Graves serve with?
Output:
Royal Navy