Astronaunts Piers Sellers and Mike Fossum are carrying out their third and final spacewalk of STS-121, testing out repair options for future flights.
They will perform Reinforced Carbon-Carbon/tile crack repair on eight damaged samples using Non-Oxide Adhesive (NOAX). Heat resistant putty-like material, applied with caulk gun to repair coating loss and fill fine cracks.
The repair tests will see heat resistant putty-like material, applied with caulk gun to repair coating loss and fill fine cracks. Crew will capture imagery of tile repair samples in Sample Box Assembly and wing leading edge.
DTO (Detailed Test Objective), 848/RCC (Reinforced Carbon-Carbon) evaluations, and DTO 851/IR Camera tests for recording video of Orbiter WLE (Wing Leading Edge) and an RCC test article.
After cleanup ops, A/L ingress and pre-repress will conclude the spacewalk which is expected to last 6.5 hours.
**FREE VIDEOS** – SRB Cam, Docking, Hatch Opening. Rbar (RPM) Video (8x). Flight Deck ascent video. Five videos of the debris events. Full T-30 mins to T+60 mins STS-121 launch video and all views of launch, plus more.
(Video section is FREE, but you need to sign up as a member of the forum to enter the video section of the site. We only use your e-mail to send you your password. It will not be used for spam etc.)