U.S. Air Force Master Sgt.John Carbon mentors members of the Bulgarian Air Force on the roles and responsibilities of Airmen during an enlisted leadership seminar at Ignatievo Air Base, Bulgaria, Oct. 21.Sergeant Carbon is a deployed first sergeant from the 37th Airlift Squadron, Ramstein Air Base, Germany, supporting Thracian Fall 2010. Thracian Fall is a two week on-site training deployment designed to foster the partnership between the U.S. and Bulgarian Air Force. (U.S. Air Force photo by Tech. Sgt. Michael Voss)