NEW YORK – Drill players disembark a barge anchored off of Manhattan and embark the Coast Guard Cutter Katherine Walker during a mass casualty drill Sept. 15, 2017. The Katherine Walker is one of the main Coast Guard platforms providing maritime security while the United Nations General Assembly is in session from Sept. 17-22, 2017. The Coast Guard is responsible for local maritime safety and security during the week-long. (U.S. Coast Guard photo by Chief Warrant Officer Allyson E.T. Conroy)