Boeing 757 repainted in the 1966 Delta Air Lines "Retro Jet" livery
To celebrate 85 years of operation, Delta Air Lines repainted a Boeing 757-232 (N608DA) (msn 22815) in "Retro Jet" livery. This color scheme was introduced in 1966 and was the longest-lived, being used until 1997.
Below is the Delta Air Lines operational network from 1966.
Delta Air Lines fleet at present.
(Cover photo with Boeing 757 (N608DA) Delta Air Lines when wearing the retro livery; Photographer: Andy Martin; Source: airliners.net)