Seabees from Detachment Four of Naval Mobile Construction Battalion (NMCB) 25 provide cover as they clear an area for a forward operating base during field training exercise Bearing Duel 01-14. The training helps NMCB 25 hone tactical and professional skills prior to the battalion's upcoming deployment to Afghanistan. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Mark A. Martinez/RELEASED)