Combat diving

thumb|A SEAL Delivery Team member climbs aboard a delivery vehicle before launching from the back of the submarine USS Philadelphia (SSN-690)|USS Philadelphia.

thumb|Statue of Fukuryu Diver wielding explosive mine weapon (also known as suicide divers and kamikaze frogmen) were a part of the Japanese Special Attack Units prepared to resist the invasion of Japan's Home islands by Allied forces. Six thousand men were planned to be trained and equipped with diving equipment for the role. They would use attack mines affixed to bamboo poles. Plans also included reinforced concrete stations to protect men from the explosions. Only twelve hundred men had been trained when Japan surrendered before the invasion of the Japanese mainland occurred.

elite unit of the French special forces

tactical scuba diving unit

Italian special forces diving unit

The Kopaska () is the premier frogman and underwater demolition unit of the Indonesian Navy. The unit's motto is (Sanskrit for "There is no obstacle that cannot be defeated"). The unit's main duties are underwater demolition (raiding enemy ships and bases), destroying main underwater installations, reconnaissance, prisoner snatches, preparing beaches for larger naval amphibious operations, and counter-terrorism. During peacetime, the unit also deploys a team to serve as security personnel for VIPs and VVIPs.

Argentine military unit