Technology Royal Navy's new mothership for crewless mine warfare starts military trials RAF Dambusters take part in US' largest training exercise in Alaska How will new Mk41 Vertical Launch missile systems change the Royal Navy's capabilities? HMS Scott heads to Fleet Week New York for US military celebrations RAF Dambusters squadron debuts in huge international air exercise over Alaska Challenger 2 tank triumphs in Nato competition ahead of Leopard and Abrams tanks Royal Navy divers help clear Baltic Sea of unexploded ordnance during Exercise Open Spirit What Storm Shadow missiles could bring to the fight in Ukraine Ukraine losing 10,000 UAV drones a month as it battles Russia, report says HMS Defender to lead commemorations in Liverpool marking 80th anniversary of Battle of the Atlantic Load More