Public domain
GRC-1995-C-01372
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
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DIRECTIONALLY SOLIDIFIED RIG
NASA Image and Video Library’s own descriptionCredit lineGRC-1995-C-01372. NASA/GRC, 2009-09-23. Public domain. ID: GRC-1995-C-01372.