Flying nape-of-the-earth is a hard counter to CIWS-style defense systems. For antiship missiles this tactic doesn't help a whole lot, but for drones over land

Flying nape-of-the-earth is a hard counter to CIWS-style defense systems. For antiship missiles this tactic doesn't help a whole lot, but for drones over land? C-RAM can't see through a hill, let alone shoot through one.