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REDONDO BEACH, Calif., Aug. 12, 2015 /PRNewswire/ -- The first of the five sunshield layers that will make it possible for NASA's James Webb Space Telescope to image the formation of stars and galaxies created more than 13.5 billion years ago, was delivered to Northrop Grumman Corporation's (NYSE: NOC) Space Park facility April 24.

Northrop Grumman is designing the Webb Telescope's optics, sunshield and spacecraft for NASA's Goddard Space Flight Center, in Greenbelt, Maryland Innovative sunshield membranes are being designed and manufactured by NeXolve Corporation, a subsidiary of ManTech International Corporation (NASDAQ: MANT) of Huntsville, Alabama.

The Webb Telescope will be the largest telescope in space. Its sunshield, which is the size of a tennis court, is constructed with five individual layers of Kapton, which effectively reduces the temperatures between the hot and cold sides of the observatory by approximately 570 degrees Fahrenheit. Each successive layer of the sunshield is cooler than the one below, preventing the interference of background heat with the telescope's infrared sensor.

"Through extensive testing we have proven that the innovative sunshield design works," said Jim Flynn, Webb sunshield manager, Northrop Grumman Aerospace Systems. "We are thrilled to receive the first flight layer from 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 to Northrop Grumman signifies the beginning of final flight hardware completion for the sunshield. Next, Northrop Grumman will integrate the final flight layers into the sunshield subsystem, to conduct folding and deployment testing as part of the final system validation process.

"Our entire ManTech team has worked diligently to achieve the manufacturing completion of the first sunshield layer and successfully deliver it to our partners at Northrop Grumman," said Greg Laue, sunshield program manager, NeXolve. "Delivery of the first flight layer is the culmination of years of development and manufacturing and we are thrilled to have accomplished this major program milestone."

The Webb Telescope is the world's next-generation space observatory and successor to the Hubble Space Telescope. The most powerful space telescope ever built, the Webb Telescope will observe distant objects in the universe, provide images of the first galaxies formed and see unexplored planets around distant stars. The Webb Telescope is a joint project of NASA, the European Space Agency and the Canadian Space Agency.

About Northrop Grumman

Northrop Grumman is a leading global security company providing innovative systems, products and solutions in unmanned systems, cyber, C4ISR, and logistics and modernization to government and commercial customers worldwide. Please visit www.northropgrumman.com for more information.

About ManTech

ManTech is a leading provider of innovative technologies and solutions for mission-critical national security programs. ManTech's expertise includes C4ISR; cybersecurity; global logistics; IT; intelligence; systems engineering; test and evaluation; environmental, range and sustainability services; and healthcare analytics and IT. Additional information on ManTech can be found at www.mantech.com.

NASA's James Webb Space Telescope Sunshield is Taking Shape at ManTech's NeXolve Subsidiary

Company Completes Manufacturing and Shape Testing of First Flight Layer of Telescope's Sunshield System

FAIRFAX, Va., Jan. 8, 2015 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq:MANT) announced today that its NeXolve subsidiary has completed manufacturing and shape testing of the first layer of the James Webb Space Telescope's sunshield system. NeXolve is subcontractor to Northrop Grumman in manufacturing the one-of-a-kind sunshield membranes.

The Webb Telescope is NASA's largest science mission and will be the most powerful space telescope ever built. The five-layer sunshield system is designed to protect the telescope from the extreme conditions it will experience while in operation. As big as a tennis court, the sunshield layer is made of Kapton® (Kapton is a registered mark of E. I. du Pont de Nemours and Company), a very thin, high-performance plastic with a reflective metallic coating. Each layer of the sunshield system must maintain a unique, complex shape on orbit to sustain the optimum environment for the telescope.