One uses cluster bombs to take out artillery and armor in fixed emplacements.
And they work very, very well. A single B-1B can carry 30 of these:
https://www.youtube.com/watch?v=CY9gojFu-_U
Or, my personal favorite the CBU-87. Either the B-1B or the B-52 can carry 50+ of these...
https://www.youtube.com/watch?v=1__DS94pz1o
Artillery and armor are easy. As are any fixed, surface target.
Bad-ass!