On April 3, 1996, United States Air Force Flight IFO-21, a United States Air Force Boeing CT-43A crashed on approach to Dubrovnik, Croatia while on an official trade mission. The aircraft, a Boeing 737-253 built as a Boeing CT-43A navigational trainer, was carrying United States Secretary of Commerce Ron Brown and 34 other people, including The New York Times Frankfurt Bureau chief Nathaniel C. Nash. While attempting an instrument approach to Dubrovnik Airport, the airplane crashed into a mountainside; everyone on board died.