During a medevac mission, a Black Hawk chase helicopter with the 82nd Airborne, or Task Force Pegasus, fires off flares, which are used as countermeasures against possible enemy heat-seeking weapons, as it circles for security while the medical helicopter on the ground picks up a patient, in Helmand province, Afghanistan, Friday March 5, 2010. Pegasus crews provide the fast medical evacuation of  wounded combatants and civilians. (AP Photo/Brennan Linsley)