Boeing Building Hydrogen Tank For First SLS Launch

NASA's heavy-lift Mars launcher elements take shape at Michoud

http://aviationweek.com/space/boeing-building-hydrogen-tank-first-sls-launch?NL=AW-05&NL=AW-05&Issue=AW-05_20160901_AW-05_942&Issue=AW-05_20160902_AW-05_985&sfvc4enews=42&sfvc4enews=42&cl=article_1&cl=article_6_1&utm_rid=CPEN1000001015780&utm_campaign=6905&utm_medium=email&elq2=6a951de23bf7416da6b25bd39d9abbf3