Not just the RPG- series, but also the american bazooka, aka M72. As I stated, the same applies to rockets, which are also fired at moving targets. I think that firing a missile or rocket, particularly an AV variant, at a person is a waste of perfectly good ordnance, unless that target happens to be wearing mil-spec armor, but rockets and missiles both are still fired at moving targets. Considering their speed, there's no reason you wouldn't.