alt Hacker News> once they are fixed take them out again
In an actual war, you hit the repair equipment and personnel [1].
(As to the Geneva Conventions note, we're discussing a hypothetical war with Russia. The status quo, including rules of war, are going to be rewritten by the victors.)
If you are planting one cutting device (small bomb etc), you could do the same thing 10 miles down the line and blast it again without having to revisit the area.