No it is not an active siren. Last it was used was in the early 1990's or late 1980's.I Wanna Name wrote:Anyone know if the thunderbolt by midway airport is still active? Can you get to the roof and see it?
No it is not an active siren. Last it was used was in the early 1990's or late 1980's.I Wanna Name wrote:Anyone know if the thunderbolt by midway airport is still active? Can you get to the roof and see it?