Royal United Services Institute (RUSI, Rusi) →
Βασιλικό Διακλαδικό Ίδρυμα ΜελετώνThe Royal United Services Institute (RUSI, Rusi), registered as Royal United Service Institute for Defence and Security Studies and formerly the Royal United Services Institute for Defence Studies, is a British defence and security think tank. It was founded in 1831 by the Duke of Wellington, Sir Arthur Wellesley.
Royal United Services Institute - Wikipedia