News comes amidst increasing pressure on Nato and Trump’s threat to acquire Greenland Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Defence Secretary John Healey is set to announce a £453 million investment to equip the Royal Air Force 's Typhoon