A U.S. Navy Seabee, assigned to Naval Mobile Construction Battalion (NMCB) 5, cuts a damaged section of concrete from a simulated attack drill during NMCB 5’s Field Training Exercise (FTX) at Fort Hunter Liggett, Calif., April 20, 2016. The FTX prepared and tested the battalion's ability to enter hostile locations, build assigned construction projects and defend against enemy attacks using realistic scenarios while being evaluated by Naval Construction Group 1. (U.S. Navy photo by Utilitiesman 3rd Class Stephen Sisler)