Secretary Gates presents coins to the children of Purple Heart recipient Marine Gunnery Sgt. David Rohde. Secretary of Defense Robert M. Gates presents coins to the children of Purple Heart recipient Marine Gunnery Sgt. David Rohde at Balboa Naval Hospital in San Diego, Calif., on Aug. 12, 2010. SHARE IMAGE: Download Image: Full Size (0.03 MB) Photo By: VIRIN: 609865-U-GUA45-910.jpg Photo Gallery