180102-N-RD456-0493 CAMP COVINGTON, Guam (Jan. 02, 2018) Construction Mechanic 3rd Class Orson Taylor assigned to Naval Mobile Construction Battalion (NMCB) 4, performs maintenance on the upper control arm assembly of a Medium Tactical Vehicle Replacement (MTVR). NMCB 4 is forward deployed to the pacific, ready to support major combat operations, humanitarian assistance/disaster relief operations, and provide general engineering support to Navy, Marine Corps, and joint operational forces. (U.S. Navy photo by Construction Mechanic 2nd Class Jeremy Colbert/RELEASED)