A Critical Skills Operator (CSO) assigned to a Marine Special Operations Team (MSOT) and Combined Joint Special Operations Task Force - Afghanistan (CJSOTF-A), provides security for a construction project in Helmand Province, Afghanistan, 2013.
This MSOT operator's M4A1 rifle is fitted with a SpecterDR SU-230 articulated telescope sight and a crane stock.
He is wearing a Ops Core Maritime ballistic helmet and Peltor headset.
MSOTs are 14-man elements deployed by Marine Special Operation Battalions (MSOBs).
Marine Corps Forces Special Operations Command (MARSOC).