Cika jumlar da ke gaba: A watan Nuwamba 2007,
Kungiyar yakin neman zaben shugabancin Obama ta fitar da wata takardar manufa da ke jinkirta shirin Constellation na NASA da shekaru biyar don tallafawa shirye-shiryen ilimi. Akwai damuwa cewa duk wani jinkiri zai tsawaita rata bayan ritaya na Space Shuttle, lokacin da Amurka za ta dogara ne akan gwamnatin Rasha don samun damar zuwa Tashar Sararin Samaniya ta Duniya. Sauran 'yan takarar shugaban kasa, ciki har da Hillary Clinton, ba su goyi bayan jinkirin ba.