CWIS should have a minimum angle of fire under which it will not/or stop engaging projectiles. About 10-15° from the ground? Shells are usually shot at friendly positions so having the CWIS kill the shells is good, but only if friendlies are not killed by the CWIS after that.
CWIS should have a minimum angle of fire under which it will not/or stop engaging projectiles. About 10-15° from the ground? Shells are usually shot at friendly positions so having the CWIS kill the shells is good, but only if friendlies are not killed by the CWIS after that.