P. Douglas McKeen

ASTAR Air Cargo, Inc. provides air cargo services to commercial and military customers. The firm provides all-cargo scheduled and charter services. The company was founded in 1972 and is headquartered in Miami, FL

U.S. Airways, Inc. provides air transportation for passengers and cargo. The company was founded in 1982 and is headquartered in Tempe, AZ.

America West Airlines, Inc., the wholly owned subsidiary of America West Holdings Corp. provides passenger air transportation services. America West has hubs at Phoenix Sky Harbor International Airport in Phoenix and McCarran International Airport in Las Vegas. The company is headquartered in Tempe, AZ.

Northwest Airlines Corp. (NWA) provides air transportation services. It together with its subsidiaries engages in the business of transporting passengers and cargo. It has a fleet of about 450 aircrafts. It flies to more than 230 cities worldwide from hubs in Amsterdam, Detroit, Memphis, Minneapolis and Tokyo. Its domestic partners Pinnacle Airlines and Mesaba Airlines provide regional services to destinations under the Northwest Airlink banner. The carrier also has extensive alliances with Continental Airlines and Dutch airline KLM. It has joined SkyTeam, a marketing alliance led by Delta and Air France. Its principal subsidiaries are Northwest Airlines, Inc., MLT Vacations Inc. and Northwest PARS, Inc. It was founded in 1926 and is headquartered in Eagan, MN.

United Air Line, Inc. provides air transportation services. It operates flights to domestic and international destinations from its hubs. The company was founded in December, 1968 and is headquartered in Chicago, IL.