![1girl animal_ears black_legwear brown_eyes brown_hair gun he_219 hirschgeweih_antennas military military_uniform neuroi original pantyhose sky solo striker_unit tom-neko_(zamudo_akiyuki) uniform verena_streib weapon world_witches_series rating:s score:4 post #861103](/cdn_image/preview/9c/1c/9c1cce579bb4984fef8261922e2bb541.jpg)
Mysterious entities in Strike Witches composed of black honeycomb structure material harvested from conquered territory. They come in various sizes; and are capable of self-sustained flight, rapid repair, and armed with directed energy weapons.
-excerpt from Wikipedia