Three-inch spherical NASA Insignia with small printable stand.
NASA Insignia is for Non-Commercial/ Educational Use Only. Any other use without prior written approval per Code of Federal Regulations 14 CFR ? 1221.1 is strictly prohibited. (See http://www.ecfr.gov/cgi-bin/text-idx?rgn=div5&node=14:184.108.40.206.19 ).
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