A Soldier from Delta Company, 1st Battalion, 327th Infantry Regiment, 1st Brigade Combat Team, 101st Airborne Division (Air Assault), shows a group of Sons of Iraq how to build a Hesco Barrier in Mezra, Iraq, March 21. Delta Company Soldiers delivered the barriers to the Sons of Iraq so that they had some form of protection from small-arms fire and vehicle-borne improvised explosive attacks performed by enemy extremist.