missions (Silver 1). While this number may appear statistically insignificant, these sets of fatalities do not consider the overall risk potential, and the many other lives taken from astronaut training and non-astronaut deaths that resulted from spaceflight-related activities. In 1986, the Space Shuttle Challenger exploded 73 seconds into its flight, killing its entire crew. Many years later, the shuttle Columbia experienced a disastrous event on February 1, 2003, when the shuttle disintegrated over