"CARTWHEEL" Tower, Fort Reno, Washington, DC, 2020.All the pixels, none of which are concealing any secret communications networks, at flickr.com/photos/mattblaze/49#photography
@0xfeedc0fe No, Site C is a conventional tower just west of Fort Ritchie. Corkscrew is another "water tower" about 18 miles south of there, near the Appalachian trail.