Dress Blues Military Etsy 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 Cap Air Force Blues Women's Uniform Air Force Service Dress: French Twist Hair Inspection Day Space it up': Space Force to modify Air Force blues while waiting for final dress uniform rollout Stars and Stripes