[JumpCrisscross]

> 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.)

[1] https://en.wikipedia.org/wiki/Double_tap_strike

[chgs]

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.