Chemical Agent Kit Airmen use an M256A1 chemical agent detector kit to assess a chemical agent during a joint training exercise at Al Udeid Air Base, Qatar, Nov. 25, 2017. The airmen are assigned to the 379th Bioenvironmental Engineering Flight. Air National Guard photo by Staff Sgt. Patrick Evenson SHARE: Download: Full Size (1.74 MB) Tags: Central Command, Centcom, Air Force, training, Airmen Credit: Staff Sgt. Patrick Evenson VIRIN: 171125-Z-YI114-069A.JPG Photo Gallery