kansas city approved a $150 million bond issue for the twa hub there. twa vetoed plans for a dulles international airport-style hub-and-spoke gate structure. following union strife, the airport ultimately cost $250 million when it opened in 1972, with vice president spiro agnew officiating. twa's gates, which were intended to be within of the street, became obsolete because of security issues. kansas city refused to rebuild its terminals as dallas-fort worth international airport rebuilt its similar terminals, forcing twa to look for a new hub. missouri politicians moved to keep it in the state and, in 1982, twa began a decade-long move to lambert international airport in st. louis.