Citations

“Space Shuttle Colombia”. Tech Media Network. Author unknown. 5 Jan. 2008. 13 Mar. 2010.www.space.com
Brandon Keim. “NASA’a Most Embarrassing Goofs”. Wired.com. Conde Nast Digital. 27 Jul., 2008. 13 Mar. 2010 www.wired.com
Frank Oliveri. “Nasa’s Mistakes, Optimism Cost Taxpayers Billions” Space Flights. Imaginova Corp. 21 Jun. 2001. 13 Mar. 2010. www.space.com
Chris Bergin. Remembering Mistakes of Challenger. Wordpress. 28 Jan. 2007. 13 Mar. 2010. www.nasaspaceflight.com.