Conversation so far:
who invented the submarine in the industrial revolution
David Bushnell invented the first submarine to be used in battle.
what else did david bushnell invent besides the first submarine to be used in battle
David Bushnell also invented a floating mine triggered by contact.
where was David Bushnell born
David Bushnell was born in a secluded part of Saybrook, Connecticut in what is now Westbrook, Connecticut.
what college did David Bushnell attend
David Bushnell entered Yale College in 1771 at the relatively old age of 31.

Question: was the inventor a veteran
Self-contained rewrite: was David Bushnell a veteran