Article about Operation Castle Rock:
https://www.vicksburgpost.com/2020/08/31/412th-tec-strengthens-readiness-during-operation-castle-rock-amid-covid-19/
"They are the commanding general's asset in the field when it comes to anything that goes 'boom'"
They are @teamcastle
https://twitter.com/teamcastle
Latest tweet included this document
Another thought about the meaning of "Castle Rock": what is a rock? What was known as "the Rock"?
Alcatraz.
Wikipedia: "The Alcatraz Federal Penitentiary or United States Penitentiary, Alcatraz Island (often referred to as Alcatraz … or The Rock) was a maximum security federal prison on Alcatraz Island … the site of a fort since the 1850s; the main prison building was built in 1910–1912 as a United States Army military prison. "
Or D., pull off all kinds of FF chaos all over the country and the globe