From Lostpedia
The Swan is the third of apparently six stations, all of which seem to thusfar be situated underground. It is designed for a two member team to live inside, and has many ammenities of life, including ample food supplies. The occupants are to
input the
the numbers into the
computer every
108 minutes, in order to prevent a
system failure. The station was likely badly damaged, and possibly even destroyed, during the
season 2 season finale.