These are awarded to qualified pilots with 3000 or more flying hours.

This set is circa 1980.  They have a nice bronze tone and the engraved detail is much more pronounced than on current production wings.

The back is stamped:
D-22
1/20 s/f
 

These are awarded to qualified pilots.

This set is circa 1995.  They have a dull silver finish.

The back is stamped:
D-22
1/20 s/f
 

These are awarded to solo pilots.

This set is circa 1996.  They originally had a dull silver finish, but they were polished to a high shine finish by myself when I was a cadet. (before they made the shiny stuff)

The back is stamped:
G-23
Made in USA
 

These are awarded to qualified pilots.

This set is circa 1990.  These are the bullion style wings worn on the Mess- Dress Uniform.