Reynolds was commissioned into the Royal Air Force on 8 June 1984.

[1] He was awarded the Distinguished Flying Cross for service during the Gulf War.

[3] He went on to be Director of Finance and Military Capability (Air) in April 2009,[4] Director of Strategy Management at the Ministry of Defence in March 2011,[5] and Air Officer Commanding No.

[9] Reynolds was appointed an Officer of the Order of the British Empire in recognition of services in Afghanistan on 29 April 2003,[10] and advanced to Commander of the Order of the British Empire in the 2008 Birthday Honours.

[11] He was appointed a Companion of the Order of the Bath in the 2019 New Year Honours.