At a preschool in Temple Hills, Md., Kaithlyn Gibson, 6, sits in a Humvee from Bolling Air Force Base, D.C., Oct. 8, 2008. U.S. Air Force servicemembers assigned to the base's 11th Logistics Readiness Squadron brought the vehicle for the students to explore as part of the school's "Truck Day."

U.S. Air Force photo by Senior Airman Tim Chacon