In addition to running out of ammo at some point, at some point I would imagine the CIWS would need a cooldown period? I still also think the front of a "jetsk

In addition to running out of ammo at some point, at some point I would imagine the CIWS would need a cooldown period? I still also think the front of a "jetski" drone could probably be hardened to withstand a certain amount of 20×102mm fire but, I am guessing and don't know how to determine how feasible that might be.