While I was at Mission Control with Aileen yesterday, she told me all about the hyperbaric chambers they have their. She showed me the smaller emergency chamber on the George F. Bond that can hold two people max at the same time, and she also showed me the larger hyperbaric chamber they have that can hold up to six at a time.
This is the smaller one aboard the George F. Bond:
This is the smaller one aboard the George F. Bond:
Now lets go take a look at the big one! The big one is kept inside a special locked building just for it.
The purpose of the chamber is to rehabilitate the divers, basically. It makes sure that they have enough oxygen and helps them re-adjust to surface pressure.
Like everything else, there is a backup to a backup. Another hyperbaric chamber is at the nearby hospital, and the hospital staff are trained in hyperbaric medicine.