I prefer to use England as a basis (as ironic as that may be) since it's got a monarchy.
Dora Milaje: Personal bodyguards of the king and the royal family. British equivalent are the
Sovereign's Bodyguard
King's Guards: Protectors of the palace, other royal residencies, and royal bank, etc. British equivalent are the
Queen's Guard.
Wakandan Army: Principal land warfare force. First branch of the Wakandan Armed Forces. Includes special forces like the Hatut Zeraze.
- Hatut Zeraze: Special reconnaissance unit of the Wakandan Army. Conduct a wide range of classified activities related to covert surveillance ad reconnaissance
Royal Navy: Principal naval warfare force. Second branch of the Wakandan Armed Forces. Includes the Royal Marines.
- Royal Marines: Wakandan's amphibious light infantry force for rapid deployment worldwide. Capable of dealing with a wide range of threats. Part of the Royal Navy.
Royal Air Force: Principal aerial warfare force. Third branch of the Wakandan Armed Forces.
Wakandan Intelligence Service: Wakanda's foreign intelligence service (AKA their spies). British equivalent is the
Secret Intelligence Service or MI6