Sir, – The argument to abandon the term ‘seablindness’ in favour of ‘ocean literacy’ is a futile exercise. Time spent debating the merits of terms in this fashion is yet another example of organisational myopia which is akin to throwing yet another ‘smoke grenade’ in the way of the truth and wasting yet more precious time. There has been quite enough of that over recent decades, and something the Royal Navy has too frequently had close calls with, particularly in the Edwardian era. The truth is understanding by the state of maritime strategy, sea power, and why the nation has the Royal Navy, h…