Government Documents By Tag: sonic boom RSShttp://theblackvault.com/m/articles/browse/tag/sonic boomGovernment Documents By Tag: sonic boom RSSWed, 06 Nov 2013 17:32:00 +0000<![CDATA[Quieting the Boom: The Shaped Sonic Boom Demonstrator and the Quest for Quiet Supersonic Flight]]>Read more]]>Wed, 06 Nov 2013 17:32:00 +0000