Czechoslovak Army in the West refers to Czechoslovak military units that served with the Western Allies during the Second World War: Czechoslovak 11th Infantry Battalion 1st Czechoslovak Armoured Brigade (1943–1945) Non-British personnel in the RAF during the Battle of Britain#Czechoslovakia List of Royal Air Force aircraft squadrons#Czechoslovak (310–313): No. 310 Squadron RAF No. 311 Squadron RAF No. 312 (Czechoslovak) Squadron RAF No. 313 Squadron RAF