
Cluster bomb
A Butterfly Bomb (or Sprengbombe Dickwandig 2 kg or SD2) was a German 2 kilogram anti-personnel submunition used by the Luftwaffe during the Second World War. It was so named because the thin cylindrical metal outer shell which hinged open when the bomb let deployed gave it the superficial appearance of a large butterfly. The design was very distinctive and easy to recognize. This bomb type was one of the first cluster bombs ever used in combat and it proved to be a highly effective weapon.
The SD2...