The last three of the 18 flight primary mirror segments arrived at NASA's Goddard Space Flight Center in Greenbelt, Md., on Dec. 16, 2013. After traveling across the country, the mirrors were prepped to enter a Goddard clean room for inspections.
<bdi><a href="https://www.wikidata.org/wiki/Q110278636" class="extiw" title="d:Q110278636"><span title="American photographer">Chris Gunn</span></a>
</bdi>
2013-12-16 08:45:29
<a rel="nofollow" class="external free" href="http://www.nasa.gov/content/goddard/final-james-webb-space-telescope-mirrors-arrive-at-nasa/">http://www.nasa.gov/content/goddard/final-james-webb-space-telescope-mirrors-arrive-at-nasa/</a>