SAASA
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1 | National Association of Rocketry SPORT ROCKETRY: AMERICA’S SAFE, EDUCATIONAL AEROSPACE HOBBY WHAT IS SPORT ROCKETRY? Sport rocketry is aerospace engineering in miniature. This popular hobby and educational tool was fouAdd to Reading ListSource URL: www.nar.orgLanguage: English - Date: 2016-03-09 00:12:28 |