"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

A cylindrical tower, dark brick with a lighter upper section, resembling a water tower or agricultural silo, on a hilltop. Radio towers are visible in the distance. A barren tree is at left.

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[–] [S] 1 point 1 year ago (11 children)

Captured with the Rodenstock 23mm/5.6 HR Digaron-S lens (@ f/6,3), Phase One IQ4-150 back (@ ISO 50), Phase One XT camera (1/25 sec exposure). This unassuming cylindrical tower, at first glance perhaps a grain silo or water tower, was part of a secret "continuity of government" microwave communications network. Built in the early 1960's, a network of similar towers located around the capital region linked the White House with critical sites such as Camp David, Raven Rock, and Mount Weather.

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  • [–] [S] 1 point 1 year ago (10 children)

    The upper white section of the tower is actually a plexiglass radome, concealing various microwave and UHF radio antennas.CARTWHEEL and its cousins were decommissioned around 1990. Most of the towers, mainly atop mountains in remote areas, were demolished or left to rot. However, CARTWHEEL and CORKSCREW (on a mountain near the Appalachian trail in central Maryland) have been maintained in good condition, now repurposed by the FAA.

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  • [–] [S] 1 point 1 year ago (6 children)

    Despite CARTWHEEL being located in the middle of a residential neighborhood in a busy city and staffed by military personnel, officials went to great lengths to conceal the true purpose of these towers. They hid in plain sight, appearing to be silos or water towers (they even used civilian water trucks to send crews to some of the towers).It was only after the cold war ended that the details of the network were declassified.

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  • [–] [S] 1 point 1 year ago (5 children)

    Obsolete secret infrastructure like CARTWHEEL tower, only revealed decades later, intrigues me not just for its scale and design, but also for the obvious question it gives rise to. If this stuff effectively managed to stay unnoticed for decades, what newer secrets are hiding under our noses today?

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  • [–] 1 point 1 year ago

    @mattblaze I like to think that DOGE fired everyone who does inter-agency coordination in the intelligence community. So when the Secret Service found this unexplained thing, they didn’t know it was ours and that it had some other purpose in mind. It was hidden in the city for some reason. And they had no way to find out because all those comms people were fired. So they cheer about it to the press and then someone from another agency figures it out and yells at them for wrecking their op.pbs.org/newshour/nation/the-se

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  • [–] 1 point 1 year ago

    @mattblaze Old telephone switching offices are a good example of hiding in plain sight, if you know what to look for; I doubt that one in a thousand passers-by noticed them when they were in use, even though they were typically in downtown locations, e.g. en.wikipedia.org/wiki/811_Tent

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  • [–] 1 point 1 year ago

    @mattblaze I suppose all the pre-digital defense infrastructure isn't needed for future backups either? But as satellites don't last forever, I assume newer digital ground backups are available that we don't know about.

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  • [–] 1 point 1 year ago (2 children)

    @mattblaze is CORKSCREW another name for Site C on Quirauk? My club has a couple of repeaters on their tower.

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  • [–] [S] 1 point 1 year ago (1 child)

    @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.

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