Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Problem:Context : Captain Geoffrey John Kirkby CBE, DSC & Two Bars (26 August 1918 -- 24 October 1998) was an officer in the Royal Navy during the Second World War, serving mainly at sea in small ships.
Answer : Royal Navy
Solution:
In what military organization did Geoffrey John Kirkby serve?