Bill Russell, left, and Paul N. Dill salute during the singing of the National Anthem at the 15th Annual 436th Security Forces Ruck March pre-event ceremony March 15, 2014, at the Air Mobility Command Museum on Dover Air Force Base, Del. Russell and Dill, veterans of the Korean War, attended this event which commemorated the Korean War Battle of Chosin Reservoir, November to December, 1950. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Team Dover Airmen walk out of the starting gate March 15, 2014, during the 15th Annual 436th Security Forces Ruck March at Dover Air Force Base, Del. A total of 41 teams and 165 runners participated in the event. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Staff Sgt. Clayton Morris, 436th Operations Support Squadron aircrew flight equipment quality assurance assistant non-commissioned officer-in-charge, left, and Airman 1st Class William Johnson, 436th Airlift Wing Public Affairs photojournalist, run down Perimeter Road March 15, 2014, during the 15th Annual Security Forces Ruck March at Dover Air Force Base, Del. Teams of four runners each competed to finish the 6.2 miles in the fastest collective time. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Airman 1st Class Dexter Turner, 436th Security Forces Squadron response force member, left, and Airman 1st Class Seth Daehn, 436th SFS response force member, run down Perimeter Road March 15, 2014, during the 15th Annual 436th Security Forces Ruck March at Dover Air Force Base, Del. The top three teams and fastest overall runner were presented with trophies. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Tech. Sgt. Kaylee Muñoz, 436th Mission Support Group unit training manager, runs that last few yards of the 15th Annual Security Forces Ruck March with her step-daughter Natalie Muñoz March 15, 2014, at Dover Air Force Base, Del. Natalie ran out to her step-mother to motivate her to finish the race strong. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
David Brown, left, and Greg Davis, 436th Airlift Wing Public Affairs photojournalist, run down Perimeter Road March 15, 2014, during the 15th Annual 436th Security Forces Ruck March at Dover Air Force Base, Del. Brown and Davis were the only two runners to wear tactical kilts during the race. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
1Lt. Jessica Mahan, 436th Medical Operations Squadron nurse practitioner, carries her son Jax Mahan March 15, 2014, during the 15th Annual 436th Security Forces Ruck March at Dover Air Force Base, Del. Mahan carried her 30-pound son instead of the 30-pound ruck sack. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Airman Brittany Adamo, 436th Security Forces Squadron, sorts through runner time cards March 15, 2014, after the completion of the 15th Annual 436th Security Forces Ruck March at the Air Mobility Command Museum on Dover Air Force Base, Del. These time cards were used to keep track of the each runners race completion time. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
Team Hanscom Defenders from the 66th Security Forces Squadron, Hanscom Air Force Base, Mass. pose with nine members of the Delaware Chapter of the Korean War Veterans Association March 15, 2014, inside the Air Mobility Command Museum on Dover Air Force Base, Del. Team Hanscom won the team competition in the 15th Annual 436th Security Forces Ruck March. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)