Originally Posted by OldHat
Originally Posted by K22
Interesting..........

https://twitter.com/Mareq16/status/1337736319657709568/photo/1

What does Red Castle mean?



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https://qagg.news/?read=2670

https://qagg.news/?read=2835


Partial explanation.......Greencastle Ind. is where the Army Corp of Engineers were/are originally stationed. There insignia is a Red Castle patch. https://en.wikipedia.org/wiki/Corps_Castle