Убивать(From the U.S. military. When you kill your enemy you take their tag with name on it . So this is the way you count how many you got on your kill-list. x-z)
снять(особ. из снайперской винтовки: There was some shooting when we took out the lookouts. • If you're carrying a sniper rifle, take out the snipers on the towers first.4uzhoj)