Space Shuttle Solid Rocket Booster design or replacing them altogether with liquid "flyback" boosters using either Atlas V or Delta IV EELV technologies. The 5-segment SRB, which would have required little change to the current shuttle infrastructure, would have allowed the space shuttle to carry an additional of payload in an International Space Station-inclination orbit, eliminate the dangerous "Return-to-Launch Site" (RTLS) and "Trans-Oceanic Abort" (TAL) modes, and, by using a so-called "dog-leg maneuver", fly south-to-north polar orbiting flights from Kennedy Space Center. After the destruction of "Columbia", NASA shelved the five-segment SRB for the Shuttle Program, and the three surviving Orbiters, "Discovery", "Atlantis", and "Endeavour"
Advisory Committee on the Future of the United States Space Program Challenger disaster the executive summary of the committee's report recommended, "saving the Space Shuttle for those missions requiring human presence." The committee had twelve members in total, with one chairman and one vice chairman. Advisory Committee on the Future of the United States Space Program The Advisory Committee on the Future of the United States Space Program (also known as the Augustine Commission) was a 1990 space policy group requested by Vice President Dan Quayle, chairman of the National Space Council. The objective of the committee was to evaluate the long-term future of NASA and the United States civilian space