Last Name, First Name: Sierra, Travis ArmA III Player ID: 76561198006605537 Age: 38   Have you served in a realism unit?: Yes If so detail which unit, time in service, rank, billet: 15th MEU Retired Gunnery Sergeant ODA 5211 Resigned Team Sergeant     Desired Duty:  Why are you applying to join 4th MRB?:  Some familiar members here from the 15th. Enjoyed working in a smaller element while in ODA 5211   How did you find out about the 4th MRB?: Various   Confirm you understand the 4t