A defined area on land or water (including any buildings, installations and equipment) intended to be used either wholly or in part for the arrival, departure and surface movement of aircraft. International Civil Aviation Vocabulary , 2nd edition

Used generically to mean the military air resources of a nation. Also a very large air formation made up of two or more groups, as in the British 2nd Tactical Air Force that supported the Allied armies that liberated north-west Europe in 1944-1945. Canada contributed some 15 fighter squadrons under six Canadian “wing” headquarters that made up over [..]

In World War II, airborne army forces were either parachutists or glider-landed troops.  Canadian War Museum

Person serving in the air forces, of any rank and in any capacity.  Canadian Military History Gateway

The nations allied against the Axis powers during World War II. Britain, the Soviet Union, the United States, France, China, Canada and Australia were the principal Allies.  Canadian War Museum

Used generically to mean a nation's land forces. Also a very large formation made up of two or more army corps, as in 1st Canadian Army, which at its peak strength in 1944-1945 included about 160,000 personnel. Canadian War Museum

Originally used to describe large guns used in fighting on land and the troops that used them. Now, generally refers to all missile-type weapons other than small arms. Canadian Military History Gateway

The alliance of Germany and Italy in 1936, later including Japan and the other nations that opposed the Allies in World War II. Canadian War Museum

Basic combat unit of the army. A Canadian infantry battalion included four rifle companies and a support company, which was equipped with heavier weapons; the total strength was approximately 850 personnel. Canadian War Museum

A company-sized sub-unit of artillery, whose major equipment was usually eight artillery pieces. The most common artillery weapon was the 25-pounder, which fired an explosive 11-kilogram shell to a range of about 10 kilometres. Two or more batteries made up an artillery regiment. Canadian War Museum