38 Flooding the DC D.U.M.B.S Army Engineers ? posted 3 years ago by Blind-fury 3 years ago by Blind-fury +39 / -1 20 comments share 20 comments share save hide report block hide replies
This could be what “watch the water” refers to.
They may flood the tunnels under the Capitol so that way no one can use them to escape should they lock the gates.
The Potomac is a huge strategic asset. If you control it then can easily move things up to the National Mall.