Military Flight Maneuvers Blamed For Thursday Sonic Boom In Portage

Military Flight Maneuvers Blamed For Thursday Sonic Boom In Portage

Local officials say the phone reports started coming in shortly before 2:00 P-M Thursday when residents living in and near Portage heard a loud boom.  Many of the 9-1-1 callers said they thought it was an explosion.  Portage police say what the people heard was a “sonic boom” caused by military flight maneuvers by the 115th Fighter Wing based at Truax Air National Guard Base in nearby Madison.