Cpl. Christopher Guerrero, rifleman with Charlie Company, 1st Battalion, 5th Marine Regiment, Marine Rotational Force-Darwin talks about the different roles of Marines during a Charlie Company field exercise, here, at the end of June, 2014. The rotational deployment in Darwin enables Marines to more effectively train, exercise, and operate with partners, enhances regional security and builds capacity to respond more rapidly to natural disasters and crises throughout the region. Also available in high definition.