Seabees assigned to Naval Mobile Construction Battalion 3’s Alpha company place protective wire around their camp at Forward Operating Base Border during the battalion’s Field Training Exercise. Prior to every deployment Seabee Battalions conduct a 2-4 week FTX that tests all of their skills in a tactical environment before each deployment. NMCB 3 is an expeditionary element of U.S. naval forces providing construction, engineering and security services in support of national strategy, naval power projection, humanitarian assistance and contingency operations.