 Components located in Metz included Air Division Headquarters, an air traffic control centre, a telecommunications centre, a combat operations centre, and a support unit.From 1952 to 1963 the RCAF operated the 30 Air Materiel Base, at RCAF Langar (RAF Langar) in Nottinghamshire.RCAF Langar was Canada's last base in the U.K. and served as a primary supply station for No.