Lance Cpl. Stephen Pence, rifleman, stands post during a training exercise at the Urban Training Center aboard Marine Corps Base Quantico on Sept. 25, 2013. 50 Marines from the A4 platoon of the Fleet Anti- Terrorism Security Team, based in Norfolk, Va., participated in the training. (Marine Corps photo by Lance Cpl. Samuel Ellis/ Released) - Lance Cpl. Stephen Pence, rifleman, stands post during a training exercise at the Urban Training Center aboard Marine Corps Base Quantico on Sept. 25, 2013. 50 Marines from the A4 platoon of the Fleet Anti- Terrorism Security Team, based in Norfolk, Va., participated in the training. (Marine Corps photo by Lance Cpl. Samuel Ellis/ Released)