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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.