U.S. Navy Seabees assigned to Naval Mobile Construction Battalion (NMCB) 5 hold a security formation during a Field Training Exercise (FTX) at Fort Hunter Liggett, Calif., April 25, 2016.
The FTX prepares and tests 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 Mass Communication Specialist 2nd Class Adam Henderson) www.dvidshub.net. Original public domain image from Flickr