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Date: 2014-08-09 13:18:07Transport National Association of Rocketry High-power rocketry Model rocket Rocket Solid-fuel rocket Fireworks Model rocket motor classification Amateur rocket motor classification Model rocketry Space technology Rocketry | National Association of Rocketry SPORT ROCKETRY: AMERICA’S SAFE, EDUCATIONAL AEROSPACE HOBBY WHAT IS SPORT ROCKETRY? IS THIS HOBBY SAFE?Add to Reading ListSource URL: www.nar.orgDownload Document from Source WebsiteFile Size: 68,79 KBShare Document on Facebook |