A group of Marines walk the beach outside the Haleiwa Incident Command Post in Haleiwa, Hawaii, during search efforts for 12 missing Marines, Jan. 18, 2016. The Marines are leading a multi-agency shoreside search effort for 12 Marines who went missing after being involved in a helicopter crash off the North Shore of Oahu. (U.S. Coast Guard photo by Petty Officer 1st Class Levi Read/Released)