The Buzos Tácticos de la Armada de Chile, literally the Tactical Divers of the Chilean Navy, are an elite part of the 300-strong Comando de Fuerzas Especiales (COMFUES) commando unit. Dating in its current form back to just 2005 when both Marine and Navy units merged to create the current format, Chile has maintained a frogman unit continually since 1959 when it was formed with help from the British SBS and Italian COMSUBIN types.
Today, they continue to train regularly with both NATO combat swimmer units and the SEALs, and it shows.
The country’s defense ministry last week posted an interesting 6-minute doc on the Buzos Tácticos that, even if you don’t speak Spanish, really needs no subtitles. Lots of helicasting, Drager rebreather use, kayak teams, raider boats, and the like. Curiously, they also are trained in hazardous SAR and hard hat salvage/construction diving as well, skillsets that could have other applications in wartime or counter-terror ops.