The difference is that ballistic missiles go up and then come down on their target. The "loitering munitions" basically get delivered by a cruise missile and th

The difference is that ballistic missiles go up and then come down on their target. The "loitering munitions" basically get delivered by a cruise missile and the fly around until triggered, at which point they basically turn from drone mode back into missiles. So it's a one time use drone with a high speed delivery system.