Another ancient and mythological example illustrating this theme can be found in the story of the Teumessian fox, who can never be caught, and the hound Laelaps, who never misses what it hunts.
United States Air Force | Royal Air Force | Royal Canadian Air Force | Indian Air Force | United States Air Force Academy | X-Force | Royal Australian Air Force | First Australian Imperial Force | Israeli Air Force | French Air Force | Edwards Air Force Base | First Air Force | South African Air Force | Wright-Patterson Air Force Base | Argentine Air Force | Air Force One | Eighth Air Force | Philippine Air Force | Pakistan Air Force | Cape Canaveral Air Force Station | Australian Defence Force | Second Air Force | Russian Air Force | Royal New Zealand Air Force | Offutt Air Force Base | Maxwell Air Force Base | Canadian Expeditionary Force | Japan Maritime Self-Defense Force | Ninth Air Force | Nellis Air Force Base |