U.S. Marine Corps Cpl. Daniel J. Groh, with Police Mentoring Team 1, 3rd Battalion, 5th Marine Regiment, Regimental Combat Team 2, provides security at the Flyover checkpoint during a security patrol through the northern bazaar in Sangin, Afghanistan, on Oct. 26, 2010. The battalion was one of the combat elements of Regimental Combat Team 2, whose mission was to conduct counterinsurgency operations with the International Security Assistance Force.