As rumoured the US president’s office of science and technology policy (OSTP) has today initiated a review of the country’s human spaceflght plans with what is to be a “blue ribbon” panel that will work for about 60-days and report by August. The OSTP press release can be found here and the letter from OSTP head John Holdren to acting NASA administrator Christopher Scolese is here
The study will examine options for using International Space Station beyond 2016 because, I would imagine, the impact that decision has on Constellation’s timetable for developing its Ares V cargo launch vehicle and Altair lunar lander