New York Army National Guard Soldiers from Joint Task Force Empire Shield help provide security support at New York City's Pennsylvania Station AMTRAK platforms Nov. 24. The New York National Guards Joint Task Force Empire Shield regularly employs forces in support of city, state and federal law enforcement agencies across New York City. November 25th is considered the busiest travel day of the year as families gather for the Thanksgiving holiday. Photo by Spc. Napoleon Valazquez, Joint Task Force Empire Shield.