The Air Defense Artillery School is the professional school of the Air Defense Artillery Branch of the US Army. It is at Fort Sill, Oklahoma. The school was organized as the 6th ADA Brigade until 18 May 2012, when it was redesignated as the . The decision to redesignate the 6th ADA to 30th ADA was made after Col. Bill Stacey, the then-6th ADA commander, discovered that the 6th ADA had no official ADA colors.