STS120-S-092 (7 Nov. 2007) --- Astronaut Scott Parazynski, STS-120 mission specialist, touches the nose cone of Space Shuttle Discovery after its landing at NASA's Kennedy Space Center. At far right is astronaut George Zamka, STS-120 pilot, and at center is astronaut Jose Hernandez. The crew is taking part in the traditional walkdown to look at the state of the shuttle after a launch and landing. The Discovery crew completed the 15-day STS-120 mission, with an on-time landing at 1:01:16 p.m. (EST). Wheel stop was at 1:02:07 p.m. Mission elapsed time was 15 days, 2 hours, 24 minutes and 2 seconds. 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.