U.S. Army Pfc. Ben Bradley (left), a Bulldog Troop, Red Platoon scout (7th Squadron, 10th Cavalry Regiment), ducks away from small-arms fire, as fellow scout Sgt. Jeff Sheppard, launches a grenade at the enemy'­s position, during a combat engagement in northern Bala Murghab Valley, Baghdis Province, Afghanistan April 4, 2011. Bradley, Sheppard, U.S. Air Force Tech. Sgt. Kevin Wallace, U.S. Navy Petty Officer 3rd Class Ryan Lee and his military working dog "Valdo"­ were all wounded by a rocket propelled grenade blast in the engagement. All servicemembers suffered minor wounds and Valdo was critical, but survived the attack. (U.S. Air Force photo/Tech. Sgt. Kevin Wallace/RELEASED)