Members of Joint Base Charleston begin the Commander’s Challenge 5K Run Feb. 7, 2014, on Joint Base Charleston – Air Base, S.C. The Commander’s Challenge is held monthly to test Team Charleston’s fitness abilities. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

2nd Lt. John Montes, 628th Logistics Readiness Squadron, sprints to the finish line during the Commander’s Challenge 5K Run Feb. 7, 2014, on Joint Base Charleston – Air Base, S.C. The Commander’s Challenge is held monthly to test Team Charleston’s fitness abilities. Montes was the top male runner with a time of 16:51. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

1st Lt. Lyndsey Horn, 1st Combat Camera Squadron, pushes to the finish line during the Commander’s Challenge 5K Run Feb. 7, 2014, on Joint Base Charleston – Air Base, S.C. The Commander’s Challenge is held monthly to test Team Charleston’s fitness abilities. Horn was the top female runner with a time of 20:33. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Members of Joint Base Charleston cool down after running the Commander’s Challenge 5K Run Feb. 7, 2014 on Joint Base Charleston – Air Base, S.C. The Commander’s Challenge is held monthly to test Team Charleston’s fitness abilities. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)