Col. Melanie Milburn, 602nd Training Group (Provisional) commander, carries a guidon and ruck sack down Pass Road as she participates in an 84-mile ruck march April 2, 2014,Biloxi, Miss. The 2-day march, which began on Keesler and will end at Camp Shelby Army Post, Miss., took place to commemorate the 602nd TRG (P) mission in support of Joint Expeditionary Taskings and to their students who made the ultimate sacrifice. (U.S. Air Force photo by Kemberly Groue)