A Marine with Charlie Company, Battalion Landing Team, 1st Battalion, 4th Marines, speaks into a handheld radio during a simulated helicopter raid as part of the 31st Marine Expeditionary Unit’s MEU Exercise at Ie Shima Training Facility, Okinawa, Japan, Dec. 11, 2018. BLT 1/4 is the Ground Combat Element for the 31st MEU. MEUEX is the first in a series of pre-deployment training events that prepare the 31st MEU to deploy at a moment’s notice. The 31st MEU, the Marine Corps' only continuously forward-deployed MEU, provides a flexible force ready to perform a wide-range of military operations across the Indo-Pacific region. - A Marine with Charlie Company, Battalion Landing Team, 1st Battalion, 4th Marines, speaks into a handheld radio during a simulated helicopter raid as part of the 31st Marine Expeditionary Unit’s MEU Exercise at Ie Shima Training Facility, Okinawa, Japan, Dec. 11, 2018. BLT 1/4 is the Ground Combat Element for the 31st MEU. MEUEX is the first in a series of pre-deployment training events that prepare the 31st MEU to deploy at a moment’s notice. The 31st MEU, the Marine Corps' only continuously forward-deployed MEU, provides a flexible force ready to perform a wide-range of military operations across the Indo-Pacific region.