Not to mention all the routes that would need to be heavily guarded, if and when things get bad enough to make those trucks targets. The military had a hard enough time guarding the roads in Iraq, so I can't imagine they'll be able to protect all the roads across the US.
Not to mention all the routes that would need to be heavily guarded, if and when things get bad enough to make those trucks targets. The military had a hard enough time guarding the roads in Iraq, so I can't imagine they'll be able to protect all the roads across the US.