Messerschmitt Bf-109
Cropped photograph of a Bf-109G in flight. This particular aircraft is
one of very few Bf-109's in existence.  This airplane crash landed and
was grounded, repaired and put on display in the museum at Duxford,
England.
Bf-109G photographed at Ramstein in 1986.  This
airplane was put-together from parts of other Bf-109's.
Same aircraft as above.
Two photos below:  Bf 109E.  This is an earlier version of the Messerschmitt.  Bf 109E's took part in the Battle of Britain.