As the new head of the RN, First Sea Lord (FSL) Adm Sir Ben Key inherits a force that, on paper, has undergone significant transformation and appears well placed to deliver maritime force on behalf of the UK government.
With new ships, a strong building programme and stable funding in place, in theory his tenure in the role should be straightforward. Look deeper, though, and there appear to be a range of potentially significant challenges ahead, all of which could cause real disruption.
The defining buzzword of his predecessor Adm Sir Tony Radakin (now Chief of the Defence Staff) during