The following are promotees for December 2011:17th Communications SquadronMaster Sgt. Aaron GranecSenior Airman Ryan HamiltonSenior Airman Patrick Tullos17th Contracting SquadronSenior Airman Curtis McMichael17th Force Support SquadronStaff Sgt. Mikhail Foss 17th Medical Operations SquadronSenior