Airman 1st Class Dana Vahey, 11th Civil Engineer Squadron emergency management technician, discusses the reactive properties of M9 Chemical Agent Detection Paper during Operation KID Mode June 28, 2013 at Joint Base Andrews, Md. Operation KID Mode is an annual event on Andrews, held to help children of service members cope and understand their parents' deployment process. (U.S. Air Force photo/Senior Airman Lindsey A. Porter)