Originally Posted by misterde3

Well, it was actually a combination:

There was a saboteur who had taken control of the defense satellites, who was taken out by Picard.
There was also a Starfleet ship (U.S.S. Columbia, unknown class) trapped inside the disabled starbase that was still functioning and cut its way through the space doors.
And of course the Enterprise arrived in time to help free Columbia by tearing the space doors away with a tractor beam.
Together they overwhelmed the Breen ships that were pounding earth at that point.