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First sunshield layer completed for space telescope

   REDONDO BEACH, Calif.—7KH¿UVWRI               DVSDUWRIWKH¿QDOV\VWHPYDOLGDWLRQSURFHVV  first flight layer is the culmination of years of  powerful space telescope ever built, the Webb
WKH¿YHVXQVKLHOGOD\HUVWKDWZLOOPDNHLWSRV-        “Our entire ManTech team has worked dili-    development and manufacturing and we are
sible for NASA’s James Webb Space Telescope                                                         thrilled to have accomplished this major pro-      Telescope will observe distant objects in the
to image the formation of stars and galaxies        gently to achieve the manufacturing comple-     gram milestone.”
created more than 13.5 billion years ago, was       tion of the first sunshield layer and success-                                                     universe, provide images of the first galaxies
delivered to Northrop Grumman’s Space Park          fully deliver it to our partners at Northrop       The Webb Telescope is the world’s next-
facility April 24.                                  Grumman,” said Greg Laue, sunshield pro-        generation space observatory and successor         formed and see unexplored planets around
                                                    gram manager, NeXolve. “Delivery of the         to the Hubble Space Telescope. The most
   Northrop Grumman is designing the Webb                                                                                                              distant stars. The Webb Telescope is a joint
Telescope’s optics, sunshield and spacecraft
for NASA’s Goddard Space Flight Center, in                                                                                                             project of NASA, the European Space Agency
Greenbelt, Md., Innovative sunshield mem-
branes are being designed and manufactured by                                                                                                          and the Canadian Space Agency.
NeXolve Corporation, a subsidiary of ManTech
International Corporation of Huntsville, Ala.                                                                                                                                    The sunshield of NASA’s
                                                                                                                                                                                 James Webb Space
   The Webb Telescope will be the largest tele-                                                                                                                                  Telescope is the size
scope in space. Its sunshield, which is the size                                                                                                                                 RI D WHQQLV FRXUW ,W LV
RIDWHQQLVFRXUWLVFRQVWUXFWHGZLWK¿YHLQ-                                                                                                                                   constructed with five
dividual layers of Kapton, which effectively                                                                                                                                     individual layers of Kapton,
reduces the temperatures between the hot and                                                                                                                                     which effectively reduces
cold sides of the observatory by approximately                                                                                                                                   the temperatures between
570 degrees Fahrenheit. Each successive layer                                                                                                                                    the hot and cold sides
of the sunshield is cooler than the one below,                                                                                                                                   of the observatory by
preventing the interference of background heat                                                                                                                                   DSSUR[LPDWHO\GHJUHHV
with the telescope’s infrared sensor.                                                                                                                                            Fahrenheit.

   “Through extensive testing we have proven                                                        Northrop Grumman photograph by Alex Evers
that the innovative sunshield design works,”
said Jim Flynn, Webb sunshield manager,
Northrop Grumman Aerospace Systems. “We
DUHWKULOOHGWRUHFHLYHWKH¿UVWÀLJKWOD\HUIURP
NeXolve as we prepare for 2018 launch.”

   NeXolve is manufacturing the other four
layers and will individually shape-test each to
ensure they meet requirements. This delivery
WR1RUWKURS*UXPPDQVLJQL¿HVWKHEHJLQQLQJ
RI¿QDOÀLJKWKDUGZDUHFRPSOHWLRQIRUWKHVXQ-
shield. Next, Northrop Grumman will integrate
WKH¿QDOÀLJKWOD\HUVLQWRWKHVXQVKLHOGVXEV\V-
tem, to conduct folding and deployment testing

August 21, 2015                                               Aerotech News and Review                                                                 11

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