SSI-21
Rsz 11ssi 19.png
Launch date May 16th 2015, 8:30 PDT
Launch site Laird Park, Modesto, CA
Launch coordinates 37.56158, -121.14993
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Balloon Launches
2014-15 SSI-19202122
2015-16 SSI-23(a) • 2425262728293031323334353637383940414243
2016-17 444546474849505152
2017-18
2018-19 8386879091
2019-20 929397
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