Samuel Lyndon Hooper joined Cardiff City Police on 19 May 1941. Volunteered for commando service enlisting 23 July 1942 and joined the 2nd Police Intake to the Commando Depot, also known as the Commando Basic Training Centre, at Achnacarry. Private Hooper, 5 troop No.3 Commando, was reported missing 14 July 1943 during operations in Sicily, later found to be a prisoner of war. He escaped from captivity whilst in a working camp at Graz in February 1944 but was recaptured about 10 kilometres away. Private Hooper was liberated in May 1945 and re-joined Cardiff City Police on 25 October 1945.
 
Sources
Casualty Lists / National Archives file WO417/66.
Prisoners of War / National Archives file WO392/11.