May 3rd, 2012 - Marines with Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, conduct a boat raid during Exercise Balikatan in the Philippine Islands. The exercise was comprised of bilateral training in infantry tactics, patrolling, amphibious assaults and jungle survival. The aim was to improve the interoperability of U.S. Marines and the Philippine Armed Forces. The completion of this exercise marks the end of 1/4's time as the BLT of the 31st MEU.