Joe's stress over the state of his water bombers, currently being stored in Wales, sparks an angry blow up with Cory, pushing Cory and Rod to head to the UK for urgent repairs. A day of culture in London leaves the hosers cold until they hook up with their British host, Iron Maiden's Bruce Dickinson. But at Bruce's Welsh facility they run into snags that threaten the work. David flies with Devan in the C-46, hoping to show how much he's learned. But when David badly botches a takeoff, Devan threatens violence. Instead of flying, hotshot Aussie Will gets stuck working on the ramp in Hay River, pushing him to a harsh ultimatum.