NASA rests under the Executive Branch as 2005 NASA Authorization Act and Aeronautics and Space act of 1958 fund NASA. NASA Authorization Acts and The Vision for Space Exploration (VSE) signed by President Bush in 2004 signaled the end of space explorations. Both Congress and the President are trying to assert control over future human space flight programs as Congress wants an extension of Shuttle Program. Who has control?
Walker, Ashley, "Who Has Control: The Battle Between NASA and Congress Over the Space Shuttle to Vision for Space Exploration Transition" (2008). 2008 AHS Capstone Projects. 17.