Spc. Khristoffer Sandoval, Cabo Rojo, Puerto Rico, infantryman, A Company, 1/ 296th, and a member of the Puerto Rico National Guard, helps load an injured person into the back of an M998 Humvee Ambulance Jan. 7 outside of Ferizaj/Urosevac. Sandoval, a member of the Puerto Rico National Guard, was part of a Quick Reaction Force Validation Exercise.