7. Completing defence briefings as required

Reason: To stay up to date on defense and national security issues.
Other urgent royal responsibilities or engagements are excluded.
A nation’s security and defence are of utmost importance, and the British Royal Family is no exception. It is crucial to be up-to-date on defence issues, particularly if you are a national unity symbol. These briefings cover a wide range of topics, including cyberthreats and global alliances, rather than merely war and peace.

Attending the Defence Briefings Pool/Getty Images is mandatory.
By going, the royals make sure they’re ready, informed, and capable of making wise choices when needed. These meetings demonstrate their importance to the nation, even though many see them as symbols. Knowledge in an uncertain world is both power and duty.