User blog comment:IceFireWarden0/Speculations for Season 11/@comment-2135507-20131015034943/@comment-198.45.201.206-20131015100420

If there's a chance, there could have been a vehicle somewhere in the crash site that was still operational, but only enough for one person, and Carolina took it to not only find old Freelancer equipment, but maybe she wanted to find UNSC reinforcements for a rescue. Just guessing.