Definition: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Brendan Hughes (16 October 1948 -- 16 February 2008), also known as ''The Dark'', was a leading Irish republican and former Officer Commanding (OC) of the Belfast Brigade of the Provisional Irish Republican Army (IRA).
Question : What military was Brendan Hughes a part of?
Output:
Provisional Irish Republican Army