The Soviet Union started frogman operations during World War II. The first unit of combat divers (or RON team), was formed in Leningrad in 1941. Soviet combat divers were quite successful during World War Two. They performed a variety of missions numbering well over 200 operations. 1970 and after: frogmen from the OB PDSS operated in Angola, Vietnam, Egypt, Mozambique, Nicaragua, Ethiopia and other places, often at the request of the nation that they operated in. They went to Angola and Nicaragu

Divers from 39 Engineers Regiment, are experts in underwater demolition, clearance and explosive ordnance tasks. On the Moray Coast and the Isle of Skye, they’re undergoing annual training, learning new skills and sharing best practice. | British Army