data.raw["item-group"]["combat"].icons =
{
  {
    icon = "__base__/graphics/item-group/military.png",
    icon_size = 64
  },
  {
    icon = "__angelsrefining__/graphics/icons/void.png",
    icon_size = 32,
    scale = 64 / 32 * 0.35,
    shift = {20, -20}
  }
}
data.raw["item-group"]["combat"].order = "la[angels]-f[warfare]-a"