Tornado exercise to be held Wednesday Published May 26, 2009 By 127th Public Affairs Selfridge ANGB, Mich. -- Portions of Selfridge Air National Guard Base will be involved in a disaster-related exercise simulating a tornado hitting the installation on Wednesday, May 27. Residents in the Harrison Township, Chesterfield, and Mt. Clemens areas may hear multiple sirens being activated and "giant voice" commands during most of the morning. The exercise is an annual event which provides the men and women working at Selfridge ANGB a realistic training environment for what could be an actual incident in which they must be prepared to respond. Questions or concerns about these events can be addressed to the 127th Wing Public Affairs office at (586)239-5576.