On Wed, 27 Jul 2011 10:28:11 -0800, Pat Flannery
wrote:

Basically stick the MPCV onto a ATV cargo module that then serves as a
equipment-service module and crew living area:
http://spaceflightnow.com/news/n1107...ope/index.html

ESA's proposal doesn't include the pressurized volume, only the
Service Module. Orion/MPCV would replaced the pressurized cargo
carrier of ATV. This is basically the same path toward a manned
spacecraft if ESA goes solo.

Brian