In the immediate context of the line in question and message in total it means that the those awaiting instructions are to remain in position no matter what they think they should do until the situation turns from a perimeter probe into an actual attack at which point know your bridges is understood as knowing when and where to cross over into the new situation. Again I would like to emphasize that the likelihood of any actual command and control system existing is extremely low and that this tweet from Rep. Higgins is essentially an attempt to rile up the MAGA base and at the same time create an environment of intimidation.
Good analogy. It ‘know your bridges’ what would that mean? I know what it could mean in an actual invasion.
In the immediate context of the line in question and message in total it means that the those awaiting instructions are to remain in position no matter what they think they should do until the situation turns from a perimeter probe into an actual attack at which point know your bridges is understood as knowing when and where to cross over into the new situation. Again I would like to emphasize that the likelihood of any actual command and control system existing is extremely low and that this tweet from Rep. Higgins is essentially an attempt to rile up the MAGA base and at the same time create an environment of intimidation.