2nd Lt. John Montes, 628th Logistics Readiness Squadron logistics readiness officer, approaches the finish line during the Commander's Challenge Run Jan. 10, 2014, at Joint Base Charleston - Air Base, S.C. Montes finished with a time of 17 minutes, 08 seconds. The Commander's Challenge is held monthly to test Team Charleston's fitness abilities. (U.S. Air Force photo / Staff Sgt. Aaron Thomasson)

2nd Lt. Alexandra Trobe, 628th Public Affairs chief of internal, approaches the finish line during the Commander's Challenge Jan. 10, 2014, at Joint Base Charleston - Air Base, S.C. Trobe finished with a time of 20 minutes, 45 seconds. The Commander's Challenge is held monthly to test Team Charleston's fitness abilities. (U.S. Air Force photo / Staff Sgt. Aaron Thomasson)

(Left) Staff Sgt. Patrick Puckhaber, 628th Civil Engineer Squadron explosive ordnance disposal journeyman and Master Sgt. Raymond Pomeroy, 628th CES EOD NCOIC of logistics, run the Commander's Challenge wearing 50 pound rucksacks. The Commander's Challenge is held monthly to test Team Charleston's fitness abilities. (U.S. Air Force / Staff Sgt. Aaron Thomasson)