With the CBU-105 the USAF and USN aircraft could cover the entire length of the DMZ...3 miles inward...in a day.
They could move north the next 3 miles the following day.
https://en.wikipedia.org/wiki/CBU-97_Sensor_Fuzed_Weapon
These weapons were designed to take out artillery and armor.
It’s what they do.
https://www.youtube.com/watch?v=CY9gojFu-_U