On "This Week at NASA," see Chamber A at @NASA_Johnson, which will be used to test #JWST! Our segment is at 5:20: http://go.nasa.gov/ZFx8Af
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On "This Week at NASA," see Chamber A at @NASA_Johnson, which will be used to test #JWST! Our segment is at 5:20: http://go.nasa.gov/ZFx8Af
