Technology HMS Prince of Wales arrives in Tokyo for historic visit to overlap with Defence Secretary's visit Foremast placed onto new Type 31 frigate HMS Venturer at Rosyth dockyard Maritime mathematics: What it would take to keep an RAF sub-hunting Poseidon on station Ice blamed for crash of F-35 that thought it was on the ground despite being airborne In pictures: What happens to Russian destroyer in UK waters? It's met with River-class OPV Army fires new missile that can hit a tennis ball travelling at twice the speed of sound Summer here, winter there: How the RAF keeps flying when it's freezing in the Falklands Rebuilding the Barracuda: The WW2 wreck like an Airfix kit – but with no instructions Ajax the star attraction as military might goes on show at British Army Expo 25 Arming the armourers with the skills they need to keep the Army's weapons firing Load More