frogman
A frogman is a military swimmer trained to perform underwater operations. These operations can include reconnaissance, demolition, and combat. Frogmen are often part of specialized units within navies or other military branches. Their training is rigorous, focusing on swimming, diving, underwater navigation, and the use of specialized equipment. They must be proficient in techniques such as free-diving, scuba diving, and operating submersible vehicles.
The term "frogman" emerged during World War II, referring to Italian naval commandos who used early diving