Atlantis Back On Track For July 8 Launch

June 28, 2011, 6:25 am

According to Local 6 in Florida, NASA and contractor engineers successfully performed main engine tests on the spaceship Atlantis over the weekend, putting the ship back on course for the planned July 8 launch. Atlantis’ will be the nation’s 135th and final shuttle mission. The frequency response test and the helium signature leak test both were performed to make certain a spare fuel valve on Atlantis’ No. 3 engine would work correctly while in flight. The spare was installed to replace a valve that leaked during a June 15 external tank propellant-loading test. The tanking test was performed to verify the integrity of structural braces on the ribbed center section of the shuttle’s 15-story external tank.


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