GRENADE GROUP U.S. Army Pfc. Rohan Wright, center, prepares to fire an M203 grenade launcher at the weapons range on Forward Operating Base Thunder in Afghanistan's Paktia province, Oct. 18, 2013. Wright, a cavalry scout, is assigned to the 101st Airborne Division's 4th Brigade Combat Team. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 731492-G-VIQ51-931.jpg Photo Gallery