After
a 15-day
mission to
the
International
Space
Station,
space
shuttle
Discovery
kicks up
dust as
its wheels
touch down
on Runway
33 at
NASA's
Kennedy
Space
Center.
The
STS-120
crew
continued
the
construction
of the
station
with the
installation
of the
Harmony
Node 2
module and
the
relocation
of the P6
truss.