Lockheed Martin Space Systems "Columbia" launched on January 12, 1986, Bob Cenker became RCA Astro-Electronic's first astronaut. Following the destruction of "Space Shuttle Challenger" with the next Shuttle mission, civilian Payload Specialists were excluded from flying Shuttle missions until 1990. By that time, RCA had been purchased by General Electric, and RCA Astro-Electronics became part of GE. As a result, Cenker was the only RCA Astro-Electronics employee, and only employee in the history of the facility under all of its subsequent names, to ever fly in space. The facility operated as GE Astro Space until it was sold to Martin Marietta in 1993. Then
Space policy of the United States by executive order, which was discontinued in 1993 by President Bill Clinton. President Donald Trump reestablished the Council by executive order in 2017. International aspects of US space policy may involve diplomatic negotiation with other countries, such as the 1967 Outer Space Treaty. In these cases, the President negotiates and signs the treaty on behalf of the United States according to his constitutional authority, then presents it to the Congress for ratification. Once a request is submitted, the Congress exercises due diligence to approve the policy and authorize a budgetary expenditure for its implementation. In support of this, civilian policies