British army general who joined the IRA?

The British Army general who famously joined the Irish Republican Army (IRA) is Sir John "Jack" McEwan. He was a former British Army officer who became involved with the IRA during the tumultuous period of the Irish War of Independence. His actions were controversial, as they represented a significant shift in allegiance from a British military background to supporting Irish republicanism. McEwan's case highlights the complexities of loyalty and identity during Ireland's struggle for independence.