A blue-capped exercise official watches as firefighters of Arlington County, Va., provide emergency services to service members acting as victims during a May 8, 2002, drill simulating a chemical attack on the Pentagon. Photo by Linda D. Kozaryn. A blue-capped exercise official watches as firefighters of Arlington County, Va., provide emergency services to service members acting as victims during a May 8, 2002, drill simulating a chemical attack on the Pentagon. Photo by Linda D. Kozaryn. SHARE: Download: Full Size (0.41 MB) Credit: VIRIN: 976126-J-LZR40-680.jpg Photo Gallery