170516-N-DH124-706 FORT HUNTER LIGGETT, Calif. (May 16, 2017) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 spread fresh concrete over a crater during an airfield damage repair from a simulated airstrike at Fort Hunter Liggett, Calif., during the battalions’ field training exercise (FTX). NMCB-4 is conducting their final graded FTX, testing the battalion’s command, control and communication functions through a variety of simulated real-life scenarios encountered during deployments. (U.S. Navy photo by Mass Communication Specialist 1st Class Rosalie Chang/Released)