English: U.S Air Force Colonel Christopher Scharenbrock, Chief of Professional Staff (Emergency Room physician) with the 60th Medical Group at Travis Air Force Base, Calif., puts a simulated tourniquet to a patient involved in a car accident. This scenario was developed to test the capabilities of the Expeditionary Medical Support Health Response Team in at the cumuto barracks, Trinidad and Tobago in support of FA HUM 2011. Fuerzas Aliadas Humanitarias 2011 is a U.S. Southern Command-sponsored multinational exercise that is concentrated on improving how civilian, government and military agencies from the United States, the Caribbean and Central America respond to natural disasters in the region. During the exercise, personnel from U.S. Army South will train with regional partners to enhance the participants knowledge, skills, and capabilities to respond together during a natural or man-made disaster. The exercise, scheduled for April 4 - 15, is being held in Trinidad & Tobago. Participating countries include Anguilla, Antigua and Barbuda, Bahamas, Barbados, Belize, British Virgin Islands, Canada, Chile, Colombia, Costa Rica, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Montserrat, Nicaragua, Panama, Peru, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Suriname, Trinidad and Tobago, Turks and Caicos, and the United Kingdom. U.S. personnel include, U.S. Army South, the U.S. Embassy, U.S. Southern Command, 12th Air Force and the Delaware National Guard.