ADR exercise tests, refines techniques and procedures Published July 24, 2013 By AFCEC Public Affairs TYNDALL AIR FORCE BASE, Fla. -- Airfield Damage Repair modernization experts from the Air Force Civil Engineer Center conduct a tabletop exercise to test and refine ADR techniques and procedures at the Silver Flag site at Tyndall AFB, Fla., July 23, 2013. The 16 participants included members of Det. 1, 823rd RED HORSE Squadron, Tyndall; Det. 1, 554th RED HORSE Squadron, Kadena AB, Japan; and the 86th Civil Engineer Group, Ramstein AB, Germany. AFCEC will use feedback from this exercise to streamline ADR to enable Airmen to repair an airfield and return it to service as quickly as possible following an attack. View the Slideshow.