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.
Q: Context : Sir Thomas Allin, 1st Baronet (1612--1685) was an officer of the Royal Navy who saw service in the English Civil War, and the Second and Third Anglo-Dutch Wars.
Answer : Royal Navy
A:
What armed force was Sir Thomas Allin, 1st Baronet in?