PREVIEW: #USAF: Conversation with colleague Bob Zimmerman re Stratolaunch, a repurposed private enterprise of a gigantic giant aircraft (two 747s put together) succeeding wth a USAF contract to test hypersonic engines -- and Bob Zimmerman explains how. M

Mar 13, 04:06 PM

PREVIEW: #USAF: Conversation with colleague Bob Zimmerman re Stratolaunch, a repurposed private enterprise of a gigantic giant aircraft (two 747s put together) succeeding wth a USAF contract to test hypersonic engines -- and Bob Zimmerman explains how.  More later of commercial space sucecss and competition.

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