U.S. Marine Corps 1st Lt. Daniel Strumlok provides security while on patrol near Combat Outpost Castle. U.S. Marine Corps 1st Lt. Daniel Strumlok, a 2nd Marine Division information operations officer working with the 2nd Light Armored Reconnaissance Battalion, provides security while on patrol near Combat Outpost Castle, Helmand province, Afghanistan, on May 30, 2011. The Marines patrolled the area to show continued presence and to provide security for the area. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 112036-V-QKS80-213.jpg Photo Gallery