Marine Corps Green Dress Uniform Military uniform styles have gone through significant changes over the centuries. European fashion influenced the U.S. Marine Corps uniform designs early on, but that changed once the United States became a world U.S. Class A Uniforms Army Class A Air Force Class A Marine Overcoats Face of Defense: Marine on Faith, Family and the Silent Drill Platoon > U.S. Department of War > Story U.S. Department of War