Where are the first sirens in a siren series located? If the actual first siren was removed, it can be the oldest still around. It can also be the different models as well as the oldest siren in that series in general. I just came up with this idea while I was looking around siren maps, and I finally decided to share it.
These are all I know:
Oldest FS Thunderbolts:
Overall:
T-75 in Wichita KS (1000)
1003: in private possession