Special Agent (Master Sgt.) Jac Christiansen (center), Air Force Office of Special Investigations, Detachment 406, Columbus Air Force Base, Miss., Master Sgt. Ronald Beadles (left), 319th Maintenance Squadron, Grand Forks AFB, N.D., and Senior Airman Mary Bullock (right), 11th Intelligence Squadron, Hurlburt Field, Fla., were handpicked by Air Force leadership to be Grand Marshals in this year's parade because of their heroic acts or outstanding work in support of OPERATIONS IRAQI FREEDOM or ENDURING FREEDOM. (U.S. Air Force photo/Tech. Sgt. John Jung)