3D Floral Lace Off the Shoulder Corset Sheer Long Formal Dress with Slit Sky Blue Sweetheart Cutout Satin Mermaid Long Formal Dress with Slit 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 Into the Blue : Uniforms of the United States Air Force, 1947 to the Present: Volume Two: Distinctive Uniforms, Formal and Informal Uniforms