Air Chief Marshal Graham Eric "Jock" Stirrup, Baron Stirrup, (born 4 December 1949) is a former senior Royal Air Force commander, who was the Chief of the Defence Staff from 2006 until his retirement in late 2010. He is now a Crossbench member of the House of Lords. In April 2013, he was appointed Knight Companion of the Most Noble Order of the Garter by the Queen Elizabeth II.