Mars Rover Curiosity in Artist's Concept, Close-up
This artist concept features NASA's Mars Science Laboratory Curiosity rover,
PASADENA, Calif. -- NASA's Mars Science Laboratory Project continues to press ahead with launch preparation activities, planning to use additional time before encapsulating the rover in the launch vehicle's nose cone.

Officials want to maintain additional schedule margin for enhanced safety procedures in assembly and testing. System testing put the rover and other parts of the spacecraft through simulations of many activities from launch through operations on Mars' surface. Aspects of the test simulating the final moments before landing took longer than scheduled. Additional margin that had been built into the schedule has been consumed in recent weeks by stepped-up safety procedures in assembly and testing.
Based on this, the rover development team will turn over the spacecraft for encapsulation four days later in October than originally scheduled.  The project expects to know in approximately two weeks if launch timelines may need to be adjusted. The mission's launch period begins Nov. 25 and runs through Dec. 18.
"We consumed some of the slack in our schedule during system testing in August, and we want to restore the slack to give the assembly, test and launch operations team time to do its job," said Mars Science Laboratory Project Manager Pete Theisinger of NASA's Jet Propulsion Laboratory, Pasadena, Calif.
The Mars Science Laboratory will deliver Curiosity to an August 2012 landing beside a mountain inside Gale crater on Mars.  During a two-year mission on the Red Planet, the rover will investigate whether a selected area of Mars has offered environmental conditions favorable for microbial life and for preserving evidence about life.
The spacecraft's back shell, heat shield and cruise stage were delivered to NASA's Kennedy Space Center, Fla., in May. The rover and descent stage were delivered in June.
NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, Pasadena, Calif., manages the Mars Science Laboratory Project for the NASA Science Mission Directorate, Washington. United Launch Alliance, Denver, is supplying the launch vehicle and launch services. Launch management for the mission is the responsibility of NASA's Launch Services Program at the Kennedy Space Center.
More information about the Mars Science Laboratory is available online at and at .
Guy Webster 818-354-6278
Jet Propulsion Laboratory, Pasadena, Calif.


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