Some articles on kg:
1944 In Aviation - Events - September
... with United Aircraft, dropping one 2,000-lb (907-kg) and two 1,000-pound (454-kg) bombs on Japanese positions in the Marshall Islands ... German battleship Tirpitz in Altenfjord, Norway, with 12,000-lb (5,443-kg) "Tallboy" bombs ...
... with United Aircraft, dropping one 2,000-lb (907-kg) and two 1,000-pound (454-kg) bombs on Japanese positions in the Marshall Islands ... German battleship Tirpitz in Altenfjord, Norway, with 12,000-lb (5,443-kg) "Tallboy" bombs ...