U.S. Air Force Master Sgt. Brian Potvin, Headquarters Air Combat Command Common Data Link Systems deputy chief, writes a monthly newsletter called Judgment, Experience, Training Fuel, or J.E.T. Fuel for all Airmen as a way for mentoring at Joint base Langley-Eustis, Va. After spending over 20 years in the Air Force, Potvin wants to share his experiences with Airmen of all ranks. (U.S. Air Force photo by Senior Airman Breonna Veal)