#SouthCaucasus – Mark Esper on proximity fuse in Grozny attack – https://t.co/xEvZTkJHGS https://t.co/7VgQu8KHta – A proximity fuse is a device that automatically detonates an explosive when it gets close enough to a target. proximity fuse: https://t.co/Gt7Sw8SobW https://t.co/sZZlvc20zL