It became apparent to me during my last tour that a lot of the effort that I put into my work was inefficient. I remember speaking to a senior officer whilst I was deployed to Kabul, Afghanistan with the US Army and she said – ‘you have to just get the work out of the door as complete as you can – aim for the 90% solution’.

In the military we have to be as efficient as possible because we work with taxpayer’s money and there is a lot of work to be done. The workload on some postings can be quite extreme and I have had tours that are no exception; I have worked genuine 12 to 16 hour days in my career for 5 days a week (or 7 days a week on ops, which, of course, is entirely to be expected). Now, I get that people in…