Why so blue? History of Air Force service uniform > Ramstein Air Base > Article Display Navy Uniforms: Men's Service Dress Blue, Officer. 1984 Uniform Regulations, Page 3 15 PICRYL Public Domain Media Search Engine Public Domain Search Cap Air Force Blues Women's Uniform Air Force Service Dress: French Twist Hair Inspection Day According to the 1975 U.S. Navy Uniform Regulations, the rarely seen Service Dress Blue (Yankee) uniform was for "warm weather afternoon and early evening functions such as yachting parties." The uniform was