DOBBINS AIR RESERVE BASE, Ga. -- At right, Tech. Sgt. Alexes Abrams, 622nd Civil Engineer Group, an instructor for the tractor trailer “train the trainer," or 3T, course at the Expeditionary Combat Support Training Certification Center, here, goes over pre-trip inspection paperwork with student Senior Airman Michael Blankenship, a member of the 560th Red Horse Squadron Joint Base Charleston, S.C. The 80-hour, total-force course is also being offered at Fort Indiantown Gap, Penn. (U.S. Air Force photo/Eddie Green)