December 12, 1959—titan 1 detonated on the launchpad. july 29, 1960—an atlas test rocket disappeared into storm clouds, where it blew up because of structural failure. november 21, 1960—the mr-i launch lasted only two seconds before the engines shut down. after lifting off about four inches, the rocket dropped back down to the pad. —epic fails: the race to space: countdown to liftoff, erik slader and ben thompson use the drop-down menus to answer the questions based on the time line. When did the atlas test rocket explode?
A) December 12, 1959
B) July 29, 1960
C) November 21, 1960
D) None of the above
