Marines In Hawaii Are Training For A Return To Island Fighting - Honolulu Civil Beat The Marine Corps is reorganizing its entire force, starting with troops on Oahu. Reading time: 7 minutes. Hawaii is at the center of an ambitious plan to give the Marine Corps a 21st century reboot that will lead to a leaner force that moves faster and strikes harder as tensions with China intensify in the Pacific. Over the summer, members of the 3rd Marine Regiment at Marine Corps Base Hawaii became the first “Littoral Regiment,” which will provide the blueprint for the new standard Marine combat unit.