Washington Dulles International Airport 1980s the original design, featuring mobile lounges to meet each plane, was no longer well-suited to Dulles' role as a hub airport. Instead, midfield concourses were added to allow passengers to walk between connecting flights without visiting the main terminal. Mobile lounges were still used for international flights and to transport passengers between the midfield concourses and the main terminal. An underground tunnel (consisting of a passenger walkway and moving sidewalks) which links the main terminal and Concourse B was opened in 2004. The Metropolitan Washington Airports Authority (MWAA) began a renovation program for the airport including a new security
Orange City Municipal Airport Orange City Municipal Airport Orange City Municipal Airport is a city-owned public-use airport located one nautical mile (1.85 km) south of the central business district of Orange City, a city in Sioux County, Iowa, United States. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which categorized it as a "general aviation" facility. Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned ORC by the FAA but has no designation from the IATA (which assigned ORC to Orocue Airport in Orocue, Colombia). Orange City