Pacific attain is a biennial recreation with the Republic of Korea defense force, the 7th Transportation Brigade (Expeditionary) (7 TB[X]), and different military, joint, and interagency agencies. throughout Pacific attain 2015, issues had been raised about the negative efficiency of the six modular warping tugs (MWTs), the primary thing watercraft necessary to lead the modular causeway system (MCS), which comprises the trident pier and roll-on, roll-off discharge facility (RRDF).