Maj. Gen. Jeff Mathis, Joint Task Force Civil Support commander, and Maj. Gen. Jonathan Treacy, former JTF-CS commander sit and listen to remarks made by Lt. Gen. William Caldwell IV, U.S. Army North commander during the JTF-CS change of command, at Seay Plaza, Fort Eustis, Va., July 11, 2012. JTF-CS is the nations' only standing chemical, biological, radiological and nuclear joint task force. It is comprised of active-duty and reserve component Service members from the U.S. Army, Navy, Air Force and Marines. (U.S. Air Force photo by Senior Airman John D. Strong II/Released)