PURPLE HEART U.S. Defense Secretary Robert M. Gates presents the Purple Heart and the Army Commendation Medal with Valor to U.S. Army Capt. Jeffrey Mackinnon on Combat Outpost Kowall in Afghanistan, March 8, 2011. MacKinnon is assigned to the 101st Airborne Division's 1st Battalion, 320th Field Artillery Regiment, 2nd Brigade Combat Team. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 980658-M-CPC98-493.jpg Photo Gallery