Following the September 11 attacks and the subsequent War on Terror , the Air Wing went on to expand its operations from mainly anti-narcotics operations to also support security of United States nationals and interests , primarily in Afghanistan and Pakistan . Safe transports for various diplomatic missions were undertaken , requiring the acquisition of larger aircraft types , such as Sikorsky S-61 , Boeing Vertol CH-46 , Beechcraft King Air and De Haviland DHC-8-300 . In 2011 , the Air Wing was operating more than 230 aircraft around the world , the main missions still being counter narcotics and transportation of state officials
September 11 attacks
September 11 attacks
United States Department of State