Vietnam Army Green Military Dress Jacket, Staff Sergeant, Gold Button Uniform Jacket U.S. Army Vietnam War Era Green AG 344 Poly Wool Tropical Class A Service Dress Uniform Jacket Dated 1972 W Information Tag First basic training class graduates wearing Army Green Service Uniform Article The United States Army Wearing the "pinks and greens," aka the Army Green Service Uniform, is more than putting on a suit. It embodies the accomplishment of becoming a Soldier. Start your path to becoming one yourself at U.S. Army Green Service Uniform (Class A's), Officer Eastern Costume