On Retiring the Space Shuttle

NASA brought the Space Shuttle program to an end this July after more than 30 years of service to the nation and to cause of space exploration. Since I continue to hear the occasional complaint from one person or another about why NASA brought this program to an end, I thought I would write this post so I easily link to it later when I might need it. The Space Shuttle was a terrific vehicle for taking us into Earth's orbit. It enabled us to launch and repair satellites and to build the International Space Station. Those were fantastic missions, but they're done. It's time for NASA to move onto the next level of exploring space. Unfortunately, the Space Shuttle simply isn't the right vehicle for our next steps in space exploration. As an example, former Presidents George H. W. Bush , Bill Clinton , and George W. Bush , as well as President Barack Obama , all endorsed the long-term goal of a manned mission to Mars during each of the respective tenures in the Whit...