NASA Awards Launch Services Contract for Solar Probe Plus Mission

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March 18, 2015
NASA Awards Launch Services Contract for Solar Probe Plus Mission

NASA has selected United Launch Services LLC of Centennial, Colorado, to provide launch services for the agency’s Solar Probe Plus (SPP) mission.

The SPP spacecraft will launch aboard a Delta IV Heavy rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. Launch is targeted for July 31, 2018, at the opening of a 20-day launch period. The total contract award amount for launch services is $389.1 million.

SPP will be the first mission to fly through the sun’s outer atmosphere -- the solar corona -- to examine two fundamental aspects of solar physics: why the corona is so much hotter than the sun’s surface, and what accelerates the solar wind that affects Earth and our solar system. Understanding these fundamental phenomena has been a top-priority science goal for more than five decades. SPP will orbit the sun 24 times, closing to within 3.9 million miles of its surface with the help of seven Venus flybys.

The Launch Services Program at NASA’s Kennedy Space Center in Florida is responsible for management and oversight of the Delta IV Heavy launch services for SPP. The Johns Hopkins University Applied Physics Laboratory is designing and building the spacecraft for NASA’s Living with a Star Program, managed by the agency’s Goddard Space Flight Center in Greenbelt, Maryland.

For more information about NASA programs and missions, visit:


George Diller
Kennedy Space Center, Fla.

Dwayne Brown
Headquarters, Washington

Susan Hendrix
Goddard Space Flight Center, Greenbelt, Md.

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