Conversation so far:
When did James Stockdale become a prisoner of war?
On 9 September 1965, Stockdale ejected from his Douglas A-4 Skyhawk. He parachuted into a small village, where he was severely beaten and taken prisoner.
What happened while James Stockdale was a POW?
As the senior Naval officer, he was one of the primary organizers of prisoner resistance.
What happened during the 7.5 years James Stockdale was a POW?
Tortured routinely and denied medical attention for the severely damaged leg he suffered during capture, Stockdale created a code of conduct for prisoners which governed torture, secret communications, and behavior.
What else transpired during James Stockdale's time at Hoa Lo prison besides being tortured routinely and denied medical attention?
In the summer of 1969, he was locked in leg irons in a bath stall and routinely tortured and beaten.
How did James Stockdale escape being a POW?
Stockdale was released as a prisoner of war on February 12, 1973 during Operation Homecoming.
What else happened during James Stockdale's time as a POW?
Stockdale slit his scalp with a razor to purposely disfigure himself so that his captors could not use him as propaganda.
Was there anything else that happened while James Stockdale was a POW?
When they covered his head with a hat, he beat himself with a stool until his face was swollen beyond recognition.

Question: What else happened while he was a POW?
Self-contained rewrite: What else happened while James Stockdale was a POW?