High Quality Content by WIKIPEDIA articles! NASA`s Christopher C. Kraft, Jr. Mission Control Center (MCC-H), also known by its radio callsign, Houston, is the facility at the Lyndon B. Johnson Space Center in Houston, Texas that manages flight control for America`s human space program, currently involving astronauts aboard the International Space Station (ISS). The center is named after Christopher C. Kraft, Jr, a retired NASA engineer and manager who was instrumental in establishing the agency`s Mission Control operation.