Army Sgt. Rosina Scott assigned to the 20th Chemical, Biological, Nuclear, Explosives (CBRNE) Command, sweeps ground base samples near a simulated detonation site at Santa Fe, New Mexico, Sept. 21, 2017. The Prominent Hunt exercise brings in federal, state, and local agencies to validate 20th CBRNE Command as part of National Technical Nuclear Forensics (NTNF) Ground Collection Task Force (GCTF). ( Army photo by Sgt. Nelson Rodriguez)

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Keywords: 20th, 55th, cbrne, chemical, collection, company, complex, fbi, force, forensics, ground, hunt, mexico, national, nuclear, onate, prominent, signal, task, technical