Welcome to the first edition of this journal in 2020 – a new year, and decade, that starts at pace. Given that tempo, and to proffer some themes for discussion this coming year in The Naval Review, I have taken the liberty of looking in this extended editorial at some of the principle motivators that will drive the maritime contribution to the forthcoming UK Strategic Defence & Security Review (SDSR). All, of course, set against a rapidly deteriorating security context, especially in the Middle East and Persian Gulf, and globally amongst increasingly effective competition that is diminishi…