171225-N-RD456-0488 CAMP COVINGTON, Guam (Dec. 25, 2017) Construction Mechanic 3rd Class Orson Taylor assigned to Naval Mobile Construction Battalion (NMCB) 4, performs maintenance on the seat of a John Deere 420D Backhoe. 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)