By the Editor – By the age of 23 those joining the Navy today as officers might just be arriving at BRNC – not, as in the case below, a young Lieutenant with three submarine appointments under his belt and starting his fourth as its First Lieutenant. The author shines a light on unpredictability of war and how conflict is littered with mistakes with tragic consequences. And that ultimately our success is dependent on our resolve to learn and fight on. In addition to reading this article I strongly recommend listening on-line to a first-hand account of the loss of HMS Umpire (https://www.iwm.or…