Tonight, military vehicles and haz mat suits near Barclays Center for disaster simulation

From Notify NYC:

FDNY & USMC Drill at Barclays Center - 9/13/13 (BK)
Notification issued 9/12/13 at 5:00 PM. From 8 PM Friday, 9/13/13 until 2 AM Saturday, 9/14/13, the FDNY and US Marine Corps are conducting an exercise at the Barclays Center, at Atlantic Ave and Flatbush Ave, Brooklyn. Expect to see military vehicles and personnel in hazardous materials suits near Dean Street, between Flatbush and 6th Aves, as well as volunteers in disaster simulation makeup. This is only a drill.