Roger Parrino, a law enforcement professional with Battalion Landing Team 1/1, 13th Marine Expeditionary Unit and New York Police Department retired lieutenant, shares with Marines and sailors of the 13th MEU his experiences as a first responder at ground zero of the World Trade Center during the 9/11 attacks, as part of a memorial ceremony aboard the USS Green Bay, Sept. 11. The 13th MEU is deployed with Boxer Amphibious Ready Group also providing support for maritime security operations and theater security cooperation efforts in the U.S. 7th Fleet area of responsibility.