TINKER AIR FORCE BASE, Okla. – Promotions from the 507th Air Refueling Wing enlisted ranks are: SENIOR MASTER SERGEANTJohnathon Crenshaw, 507th Security Forces SquadronMASTER SERGEANTGareth Brooks, 72nd Aerial Port SquadronJuanita Gilliam, 507th Maintenance GroupEric Richardson, 507th Maintenance