Secretary Panetta awards U.S. Marine Shawn Vernon the Purple Heart at Camp Dwyer. Secretary of Defense Leon E. Panetta awards U.S. Marine Shawn Vernon, Combat Logistics Battalion-7, the Purple Heart at Camp Dwyer, Afghanistan, on July 10, 2011. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 579116-F-ASC88-127.jpg Photo Gallery