The United States Air Force has many authorized duty identifier tabs, including Bomb Builder, Fire Fighters, Explosive Ordnance, Combat Controller, Contingency Response and Air Mobility Liaison Officer.
Fire Fighters Explosive Ordnance Disposal Authorized duty identifier tabs (worn on left sleeve) Combat Controller Tactical Call Sign (e.g. A01) Tactical Air Control Party Survival, Evasion, Resistance and Escape Special Tactics Officer Security Forces Pararescue Office of Special Investigations Medical Joint Air Component Coordination Element Forward Area Refueling Point Force Protection Combat Rescue Officer Contingency Response Deployable Aircraft Ground Response Element Advanced Air Advisor Tab (Authorized for permanent wear) Air Advisor Tab (Authorized for permanent wear) Air Mobility Liaison Officer Chemical, Biological, Radiological, Nuclear Combat Aviation Advisor (Tab version authorized for permanent wear) 
