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U.S. Air Force Tech. Sgt. Elyse King, left, installation personnel readiness noncommisioned officer in charge, 412th Force Support Squadron, Senior Airman Cecelia Olvera, middle, 412th Operations Group, and Staff Sgt. Joshua Simock, 912th Aircraft Maintenance Squadron, observe simulated M9 chemical detection tape as part of a chemical, biological, radiological, and nuclear threats defense validation exercise at Edwards Air Force Base, California, March 30, 2026. The 812th Civil Engineer Squadron's Office of Emergency Management validated more than 250 Airmen over a three-day period in late March. (U.S. Air Force photo by Jennifer Healy)

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U.S. Air Force Tech. Sgt. Zachary Farrow, egress systems evaluator, 912th Aircraft Maintenance Squadron, conducts a simulated decontamination as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The 812th Civil Engineer Squadron's Office of Emergency Management validated more than 250 Airmen over a three-day period in late March. (U.S. Air Force photo by Jennifer Healy)

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U.S. Air Force Staff Sgt. Owen Kappelman, left, crew chief, 412th Aircraft Maintenance Squadron, and Senior Airman Samuel Cardenas, force management supervisor, 412th Force Support Squadron, check mask seals as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The validation exercise validated the Airmen's skills and knowledge in operating a CBRN-degraded environment. (U.S. Air Force photo by Jennifer Healy)

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U.S. Air Force Col. Christopher Carnduff, left, commander, 412th Mission Support Group, listens to a briefing as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The 812th Civil Engineer Squadron's Office of Emergency Management validated more than 250 Airmen over a three-day period in late March. (U.S. Air Force photo by Jennifer Healy)

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U.S. Air Force Lt. Col. Kallyn Harerncak, 412th Medical Group, marks a map during a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. More than 250 Airmen from across different Air Force Career Codes throughout Edwards underwent CBRN defense validation over the a three day period. (U.S. Air Force photo by Jennifer Healy)

412th Test Wing Conducts CBRN Validation Exercise

Published April 15, 2026
By Giancarlo Casem
412th Test Wing Public Affairs

EDWARDS AIR FORCE BASE, Calif. --

The 812th Civil Engineer Squadron's Office of Emergency Management hosted a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, in late March. The 812th CES tested more than 250 Airmen over a three-day period to validate the Airmen's skills and knowledge in operating a CBRN-degraded environment.

Tech. Sgt. Zachary Farrow, egress systems evaluator, 912th Aircraft Maintenance Squadron, conducts a simulated decontamination as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The 812th Civil Engineer Squadron's Office of Emergency Management validated more than 250 Airmen over a three-day period in late March. (U.S. Air Force photo by Jennifer Healy)

Staff Sgt. Owen Kappelman, left, crew chief, 412th Aircraft Maintenance Squadron, and Senior Airman Samuel Cardenas, force management supervisor, 412th Force Support Squadron, check mask seals as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The validation exercise validated the Airmen's skills and knowledge in operating a CBRN-degraded environment. (U.S. Air Force photo by Jennifer Healy)

Col. Christopher Carnduff, left, commander, 412th Mission Support Group, listens to a briefing as part of a chemical, biological, radiological, and nuclear threats defense exercise at Edwards Air Force Base, California, March 30, 2026. The 812th Civil Engineer Squadron's Office of Emergency Management validated more than 250 Airmen over a three-day period in late March. (U.S. Air Force photo by Jennifer Healy)