New Marine recruits were not yet born on 9-11
History has always been part of the basic training. It allows recruits to understand Marine Corps values and what is expected of them. I used to enjoy flying into San Diego where you could see the recruits going through their training from the airport.
Marine recruits are being given lessons about the 9/11 attacks because many were not alive when they happened
New recruits wishing to join the United States Marine Corps are being taught about what happened during the 9/11 attacks because many of them not even being alive with the atrocity happened.