[rigelkentaurus]

We desperately need a layered border - wall, mine field, fence, road, fence and forts/patrols, underground sensors, etc. We need it now, otherwise, these raids are like emptying the ocean with a teaspoon.

[Iron Munro]

We desperately need a layered border - wall, mine field, fence, road, fence and forts/patrols, underground sensors, etc. We need it now, otherwise, these raids are like emptying the ocean with a teaspoon.

I've always had a soft spot for the Remote Sentry Guns as used in the movie "ALIENS".