Columbia subject headings:
Aeronautics, Commercial--Europe.
Airlift, Military--Europe.
North Atlantic Treaty Organization--Armed Forces--Transportation.
Harvard subject headings:
Aeronautics, Commercial--Europe.
Airlift, Military--Europe.
North Atlantic Treaty Organization--Armed Forces--Transportation.
Princeton subject headings:
Aeronautics, Commercial--Europe.
Airlift, Military--Europe.
North Atlantic Treaty Organization--Armed Forces--Transportation.