Atlas V Rocket Put to the Test in Countdown Rehearsal
Tuesday, October 29, 2013 - 09:45
The United Launch Alliance Atlas V rocket that will launch the MAVEN spacecraft Nov. 18 is being put to the test today at Space Launch Complex 41 on Cape Canaveral Air Force Station. The rocket is fully loaded with propellants, including liquid hydrogen, liquid oxygen and RP-1 kerosene fuel for the Wet Dress Rehearsal, highlighted by an unabridged launch countdown procedure that ends just before countdown clocks reach the T-0 mark. The MAVEN spacecraft, however, is not atop the rocket for today's test. Following the rehearsal, the rocket will be detanked and on Wednesday will return to the Vertical Integration Facility at the launch complex.