Is this what AF1 was signalling?

>>4341013

Red Castle

>>4341013

Red Castle is the keystone.

>>4341013

Is Red Castle the Keystone?

What did they build at Arlington that we don't know about? A prison?

>>4341013

"Adds nearly 30,000 burial and niche spaces for first times interments/inurments"

https://www.nao.usace.army.mil/Missions/Military-Construction/ANCMillennium/