U.S. Army Maj. Gen. Jeff W. Mathis III, Joint Task Force Civil Support commander, presents coins to 633rd Logistics Readiness Squadron Airmen during his visit to Joint Base Langley-Eustis, Va., Feb. 26, 2014. Mathis presented coins to show his appreciation to the squadron for providing assistance during a recent JTF-CS deployment readiness exercise. Internal exercises, such as DREs, ensure unit preparedness to support local first responders in the event of a man-made or a natural disaster in the United States. (DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)

The U.S. Air Force Heritage of America band ensemble, Full Spectrum, performs for U.S. Army Maj. Gen. Jeff W. Mathis III, Joint Task Force Civil Support commander, during his visit to Joint Base Langley-Eustis, Va., Feb. 26, 2014. Mathis presented coins to show his appreciation to the band for providing musical entertainment at last month's JTF-CS Burns Night Dining Out. JTF-CS anticipates, plans, and prepares for Chemical, Biological, Radiological and Nuclear Defense Support of Civil Authorities response operations. (DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)

U.S. Army Maj. Gen. Jeff W. Mathis III, Joint Task Force Civil Support commander, presents a commander's coin to U.S. Air Force Senior Airman Mara Acevedo, U.S. Air Force Heritage of America Band member, during his visit to Joint Base Langley-Eustis, Va., Feb. 26, 2014. Mathis presented coins to show his appreciation to the band for providing musical entertainment at the recent JTF-CS Burns Night Dining Out. JTF-CS anticipates, plans and prepares for Chemical, Biological, Radiological and Nuclear Defense Support of Civil Authorities response operations. (DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)

U.S. Army Maj. Gen. Jeff W. Mathis III, Joint Task Force Civil Support commander, addresses 633rd Logistics Readiness Squadron Airmen during his visit to Joint Base Langley-Eustis, Va., Feb. 26, 2014. Mathis presented coins to show his appreciation to the squadron for providing assistance during a recent JTF-CS deployment readiness exercises. JTF-CS anticipates, plans and prepares for Chemical, Biological, Radiological and Nuclear Defense Support of Civil Authorities response operations. (DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)

U.S. Army Maj. Gen. Jeff W. Mathis III, Joint Task Force Civil Support commander, presents coins to 633rd Logistics Readiness Squadron Airmen during his visit to Joint Base Langley-Eustis, Va., Feb. 26, 2014. Mathis presented coins to show his appreciation to the squadron for providing assistance during a recent JTF-CS deployment readiness exercise. Internal exercises, such as DREs, ensure unit preparedness to support local first responders in the event of a man-made or a natural disaster in the United States. (DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)