if i destroy 1 object from array they movement change

void Update(){    foreach (GameObject enemy in Enemies){        if (enemy){ // ignore dead enemies            Dist = Mathf.Abs(transform.position.z - enemy.transform.position.z);            if (enemy.collider.tag == "Enemy" && Dist < FadeDistance)            {                //fade out (level of alpha 0 = transparent, time to take to fade)                iTween.FadeTo(enemy, 0.0f, 0.2f);                Destroy(enemy, 1); // you don't need a coroutine for this!            }        }    }}