More news from me. 1. Stover, Missouri's T-121 has been replaced with a Sentry 14v-B, located in the same spot. Picture of it here - https://ibb.co/80wddHJ 2. Linn, Missouri has a unmapped Whelen OA-4, located at 38°29'14"N 91°51'12"W . 3. The Cyclone 120 in Eldon, Missouri is still there,...