The Royal Marine Commandos are an elite unit of the Royal Navy in the United Kingdom, specializing in amphibious warfare and reconnaissance. Established in 1942 during World War II, they are known for their rigorous training and ability to operate in diverse environments, including land, sea, and air. Commandos undergo intense physical and mental training at the Commando Training Centre in Lympstone. They are recognized for their distinctive green berets and are often deployed in challenging missions, including counter-terrorism and humanitarian assistance, showcasing their versatility and commitment to national security.