ROKAF, 51st FW showcase CBRN capabilities Published Jan. 10, 2023 By Staff Sgt. Tristan Truesdell 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea. -- U.S. Air Force Staff Sgt. Jacob Laugesen and Senior Airman Dionicia Latus, 51st Civil Engineer Squadron emergency management technicians, locate a simulated mortar during a Chemical, Biological, Radiological and Nuclear capability demonstration at Osan Air Base, Republic of Korea, Jan. 5, 2023. The CBRN Recon and Surveillance team completed chemical agent detection and identification of the simulated mortar, which is needed to determine specific agent decontamination options, calculating hazard durations and toxicity, hazard reporting, sample collection and for medical personnel to apply proper treatments and countermeasures. (U.S. Air Force Photo by Staff Sgt. Tristan Truesdell)