NYPD-ESU young female officer standing guard on the street outside of parade, watching for the event of terrorists.
The New York City Police Department Emergency Service Unit is a component of the NYPD Citywide Operations Bureau's Special Operations Division. The unit is uniquely trained and equipped to perform tactical (Special Weapons and Tactics (SWAT) and technical rescue duty for other department elements. Members of ESU are cross-trained in multiple disciplines for police and rescue work.