Alan G. Poindexter
Born: November 11, 1961
Died: July 1, 2012
Nationality: United States of America
Occupation: astronaut,military officer
Biography: Alan Goodwin "Dex" Poindexter (November 5, 1961 – July 1, 2012) was an American naval officer and a NASA astronaut. Poindexter was selected in the 1998 NASA Group (G17) and went into orbit aboard Space Shuttle missions STS-122, and STS-131.