Tom Clancy's the Division: Dark Winter

In 2001, just three Months before 9/11, a real world exercise tested the emergency response to a bio-terror attack on the continental United States. The operation was called "Dark Winter".In 2001, just three Months before 9/11, a real world exercise tested the emergency response to a bio-terror attack on the continental United States. The operation was called "Dark Winter".In 2001, just three Months before 9/11, a real world exercise tested the emergency response to a bio-terror attack on the continental United States. The operation was called "Dark Winter".