U.S. Marine Corps Lance Cpl. Tyler Rollins, a dog handler with 1st Squad, 3rd Platoon, Delta Company, 1st Battalion, 7th Marine Regiment, Regimental Combat Team 6, gives his Improvised Explosive Device Detector Dog (IDD) water during a patrol out of Forward Operating Base Tabac in Sangin, Helmand province, Afghanistan, May 25, 2012. Marines conducted the patrol to provide security and observe any changes in local atmospherics.