Stop the invasion.
This is not a game.
¡Esto no es un juego!
Undoubtedly POTUS will deal with the invasion force when it arrives, in an appropriate and legal manner.
If I were the commander of a border patrol, the presence of armed American citizens would just complicate my job, creating an additional burden to ensure no Americans get injured in case force has to be used at the border.
We do not want violence.
What we do want is for the majority of Americans to approve of the actions that will be taken, and to see them as necessary, legal, and proper.
It is proper for America to deter and/or repel illegal entry.
That is what we should emphasize, along with POTUS's messages to Mexico.