EDISON - Gov. Chris Christie (R-N.J.) has issued an executive order for flags to be flown at half-staff on Tuesday, February 21, 2012 to honor the service and sacrifice of United States Marine Lance Cpl. Osbrany Montes De Oca. Montes De Oca was raised in North Arlington and lost his life supporting combat operations in Helmand Province, Afghanistan.Marine from New Jersey killed in Afghanistan