JOINT BASE LANGLEY-EUSTIS, Va. (Oct. 27, 2020) Jasmin Mau, from Honolulu, and a watch officer at Joint Task Force Civil Support, speaks with a Defense Chemical Biological Radiological Nuclear Response Force (DCRF) unit through a tactical satellite radio patched through her computer during a communications exercise. JTF-CS conducts this monthly exercise to validate DCRF communications capability and proficiency in maintaining command and control of forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael H. Lehman)