Not concernfagging it is public knowledge that the WH is called Castle via secret service code names…. good luck Q team
Places and things get names, too. Air Force One is “Angel” or “Cowpuncher.” The presidential state car is “Stagecoach.” The White House is “Castle” and the Capitol is “Punch bowl.” The White House Situation Room is “Cement Mixer.”
http://www.charlotteobserver.com/news/politics-government/article127513764.html (2017)