U.S. Navy SEALs carry casualties to a medical evacuation helicopter after being injured when a rocket fired by enemy forces hit members of their team as they walked through the green zone during a four-day clearing operation of the lower Char Chineh Valley, Uruzgan Province, Afghanistan, June 28, 2011. The casualties were evacuated to a nearby base where they were treated. (U.S. Army Photo by Staff Sgt. Kaily Brown) (Released)