[UPDATED to attach Instruction PDF]

North Florida Amateur Radio Club (NFARC – https://www.qsl.net/nf4rc/) officer Gordon Gibby, KX4Z, reports that the FEMA Region 4 (Alabama, Florida, Georgia, North Carolina, South Carolina, Kentucky, Mississippi, and Tennessee) and Region 6 (Texas, Arkansas, New Mexico, Louisiana and Oklahoma) Emergency Communications Coordinating Working Groups (RECCWG) are planning a cyber attack exercise on June 1, 2022. Several major metropolitan areas will be cited as the “affected areas” and both CISA SHARES and amateur radio Winlink will be used to provide ground truth information back to the appropriate sources.

See https://groups.io/g/NF4RC/message/640 for more information