Dress blues uniform of LT Chester Gorham. Eager to serve before the U.S. got involved in WW2, Chester traveled to Canada and volunteered for the RCAF on 10 3 41 and went through training Here's a quick visual reference for enlisted semi formal wear 1. White long sleeve shirt worn under service coat 2. Service dress uniform trousers for males only, service dress uniform skirts or U.S. Air Force Man's Long Sleeve Blue 1150 Poly Cotton Class A Dress Shirt used 16 1 2" x 36" Vintage 1970s U.S. Air Force Dress Blue Tropical Poly Wool Uniform Jac Army releases message announcing new service uniform Article The United States Army