Up next - in the next hour or so - is an amazing 6,000 word exclusive from Philip Sloss interviewing the NASA people involved in the EM-1 alternative launcher review. Explains how SLS beat the next best option... a fully expendable Falcon Heavy. A really fascinating read.pic.twitter.com/P7D4PNSvSo
I joked earlier that Boeing and the @NASA_SLS team might have very much welcomed the EM-1 alternative launcher review, as they finally get the chance to pull NASA to to co-ordinate in changing the forward plan to ensure survival! 
