Short answers, pulled from the story.
The Royal United Services Institute was established on the 25th of June 1831 when a committee met in London to create the institution. The resolution to form the group was proposed by Viscount Hardinge and seconded by Rear-Admiral Sir Francis Beaufort.
The Royal United Services Institute occupies purpose-built headquarters next door to the Banqueting House at 61 Whitehall in Westminster. The organization moved to this current location in 1895 after previously operating from Whitehall Court and Middle Scotland Yard.
The Royal United Services Institute maintains multidisciplinary research specialisms including Military Sciences, International Security Studies, Terrorism, Conflict, Cyber issues, Nuclear Proliferation, Financial Crime, and Organised Crime. Members gain access to activities covering all defence and security issues including natural disasters and man-made threats.
Major General Sir Howard Douglas took the chair at the founding meeting while the Duke of Wellington spearheaded the effort through a letter to Colbourn's United Service Journal. Captain Boughey Burgess became the first curator of the museum that preceded the institute.
As of the end of March 2022, the Royal United Services Institute employed 111 people in the UK following an increase from 78 staff members the previous year. The organization announced securing £10 million for redevelopment of their home at 61 Whitehall during this period.