International warfare has created some of the most profound advances in technology and concepts, and the underwater arena is no exception. APS Underwater Rifle The APS or Avtomat Podvodnyj Spetsialnyj Underwater Rifle was developed during the early 1970s by the Soviet Central Institute for Precision Machine Building (TsNIITochMash plant). The inspiration for this was that Russian combat divers only had knives and the SPP-1 underwater pistol as their sole means of weaponry. The APS was meant to provide considerably more firepower to their combat divers. The APS, initially only used by the Russian armed forces, has been available on the...