NASA: Aluminium-lithium Orion better than composites

http://www.flightglobal.com/articles/2009/10/19/333602/nasa-aluminium-lithium-orion-better-than-composites.html

A NASA programme manager confirms aluminium-lithium remains the favoured material to serve as the primary structure for the Orion crew module despite an ongoing, two-year programme to develop a mostly composite alternative.