Conversation so far:
What was Ira Hayes' role in the World War II?
Hayes enlisted in the Marine Corps Reserve on August 26, 1942.
How long was Ira Hayes on the reserve?
In October 1942, Ira Hayes volunteered for Marine paratrooper training.

Question: did this training helped him in the war?
Self-contained rewrite: Did Ira Hayes' paratrooper training help him in World War II?