Arlington National Cemetary Keystone digs:
https://www.arlingtoncemetery.mil/Explore/Monuments-and-Memorials/Memorial-Entrance
"Forming the keystone of the large, center niche, is the Great Seal of the United States of America"
https://en.wikipedia.org/wiki/Great_Seal_of_the_United_States
Symbolism will be their downfall. Look at our Great Seal. What do you notice?