Apparently their XB-1 starts supersonic flights tests this year [1].<p>Given their prototype just flew, isn’t staging for mass production premature? Is Overture even in prototype? (EDIT: Right, they haven’t built the engine yet [2]. Confused why this “superfactory” is a priority.)<p>[1] <a href="https://boomsupersonic.com/flyby/xb1-prepares-for-first-supersonic-special-flight-authorization" rel="nofollow">https://boomsupersonic.com/flyby/xb1-prepares-for-first-supe...</a><p>[2] <a href="https://en.m.wikipedia.org/wiki/Boom_Symphony" rel="nofollow">https://en.m.wikipedia.org/wiki/Boom_Symphony</a>