New York Army National Guard Sgt. Wayne Stevens, at right, and Senior Airman Steven Jones walk the concourse of Grand Central Terminal here on Thanksgiving Day 2012 as a presence patrol in support of the Metropolitan Transportation Authority Police. The troops are serving with the New York National Guard's standing security force in the city, Joint Task Force Empire Shield. Members of the National Guad's Joint Task Force Empire Shield regularly augment and support law enforcement agencies across New York City at transportation hubs. (U.S. Army photo by Ubon Mendie)