A tiny camera mounted to the helmet of spacewalker Scott Parazynski is beaming back close-up pictures of the torn solar blanket, providing insight to the crew onboard the shuttle and the station, engineers in Mission Control and armchair astronauts around the world.
A faint No. 18 in the bottom of the right hand corner of the NASA TV view indicates the image is coming from the helmet-cam of Parazynski. A faint No. 16 means the view is coming from Wheelock's helmet-cam. For example, you can see the number 18 in the bottom right corner of this view:
The Wireless Video System has been in use since STS-97 in December 2000, coincidentally the mission during which the P6 solar wing was delivered to the station.
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