Given the task definition and input, reply with output. Generate a correct and concise answer for the question based on the words in the context.

Context : Major General David Tennant Cowan CB, CBE, DSO & Bar, MC (9 October 1896 -- 1983), also known as ''Punch'' Cowan, was an officer in the British Army and British Indian Army in World War I and World War II. He was distinguished for leading the Indian 17th Infantry Division during almost the entire Burma Campaign.
Question : What organization was David Tennant Cowan involved with?
British Army