I know what you’re thinking, looking at that photo – you’ve got next year’s Halloween outfit sorted, right? You’ll go as a rabid fighter pilot that’s spent the last 20 years in Chernobyl after a freak accident sent you spiralling from space into the radiation-riddengjost-town.

Sorry to ruin your costume plans, but in order to wear one of these helments, you’ll have to join the Ministry of Defence first, specifically the F-35 Joint Strike Fighter squadron. The helmet is currently being tested…