[sarex] Astronauts Go to Work Outside Space Station

[Arthur Rowe]

SUBMITTED BY ARTHUR N1ORC - AMSAT A/C #31468

*Astronauts Go to Work Outside Space Station
30 October 2007
*
Image Above: Spacewalker Doug Wheelock exits the U.S. Quest joint 
airlock to begin the mission's third spacewalk. Image credit: NASA TV : 
to view image go 
to:http://www.nasa.gov/mission_pages/shuttle/main/index.html

Astronauts Scott Parazynski and Doug Wheelock kicked off STS-120’s third 
spacewalk at 4:45 a.m. EDT. They are scheduled to spend seven hours 
outside the International Space Station helping install the Port 6 (P6) 
truss and inspecting the port Solar Alpha Rotary Joint (SARJ).

The spacewalking duo will work at the outboard end of the port truss to 
assist with the robotic arm attachment of the P6 truss in its new 
location on the end of the Port 5 (P5) truss. Mission Specialists 
Stephanie Wilson and Clay Anderson and Expedition 16 Flight Engineer 
Daniel Tani will be the station robotic arm operators. Pilot George 
Zamka and Wilson will be at the controls of the shuttle robotic arm. 
Mission Specialist Paolo Nespoli will be the spacewalk coordinator.

Once the P6 installation is complete, Parazynski will inspect the port 
SARJ. Mission managers want to compare data from this inspection to the 
data gathered during Sunday’s inspection of the starboard SARJ, where 
vibrations and increased power usage has been seen.

Today’s spacewalk is the third for Parazynski and the second for 
Wheelock during this mission.

The spacewalk is slated to end at 11:45 a.m.

*Mission Information*
+ STS-120 Mission Overview 
<http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts120/index.html>
+ Harmony Node 2 
<http://www.nasa.gov/mission_pages/station/behindscenes/harmony_payload.html>
+ Space Shuttle Discovery 
<http://www.nasa.gov/centers/kennedy/shuttleoperations/orbiters/discovery-info.html>