countdown (6)

• 

  Apollo 16 Terminal Countdown Sheet from NASA Flight Director Gene Kranz

  April 17, 2022

• 

  Kennedy Space Center Countdown Clock

  March 11, 2017

• 

  Rocket Science

  September 8, 2011

• 

  Bush Watch

  January 17, 2009

• 

  Endeavour on the Pad

  November 15, 2008

• 

  Bush Countdown

  August 16, 2007