Hemming Service Dress Uniform Trousers Did You Know? A Brief History of U.S. Air Force Uniforms When the U.S. Air Force became an independent branch in 1947, it did not immediately have its own uniforms. Airmen ROYAL AIR FORCE BLUE WOOL TROUSER NICOLA RADANO FUNKY ELEGANCE MADE IN NAPLES 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 Black Girls' Tassel Blue rmaid prom ss with Royal Blue pliques and Backless