Fullmetal Alchemist: Team Mustang / Characters - TV Tropes
fullmetal alchemist series - What rank does Edward Elric hold? - Anime & Manga Stack Exchange
File:FMA - Colonel.jpg - Wikimedia Commons
Tlarsun Fullmetal Alchemist Cosplay Costumes Roy Mustang Military Uniform Full Set Halloween Outfit for Adults : Amazon.de: Toys
Roy Mustang white uniform by Danbooru. Maybe the Amestris military started wearing white uniforms after King Bradley fell. Keeping the blue uniforms is like Germany keeping the Nazi uniforms post WW2. :