Your mortar barrage will put exactly one round on the intended target. That round will be a dud. The mortar team always has the right number of pins to prove they armed all rounds. To be sure, they carry extra pins. There is no such thing as a convenient foxhole.
Odd objects attract fire.
You are odd. More aircraft are incapacitated by a shortage of spare parts than by enemy action. You are not Superman. If it's stupid, but it works, it isn't stupid. Never worry about the bullet with your name on it.