CHEMICAL LIGHTS A U.S. Army paratrooper walks with two chemical lights as his unit acts as quick reaction force for Camp Ramadi, Iraq, Oct. 26, 2009. The paratrooper is assigned to the 82nd Airborne Division's Company B, 2nd Battalion, 504th Parachute Infantry Regiment, 1st Brigade Combat Team. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 697513-P-BCH25-829.jpg Photo Gallery