Royal Marines are a highly trained and esteemed branch of the British Armed Forces. They are known for their bravery, resilience, and capability to operate in any environment. Some synonyms for Royal Marines include commandos, green berets, special forces, and elite troops. The term commando is often used to refer to the Royal Marines, as they are known for their commando training and expertise in amphibious operations. Green berets is another term used to describe the Royal Marines, as they are often seen wearing distinctive green berets as part of their uniform. Special forces and elite troops also accurately capture the level of skill and training that Royal Marines possess.