An eagle eyed plane spotter in Hawaii raised suspicions that the president could be incapacitated moments before news broke that he had tested positive for coronavirus. Two E-6B Mercury jets – known as the Navy’s doomsday planes – were launched off both the east and west coast in the early hours of the morning.The planes are designed to fly aerobatic-like manoeuvres over the sea that allows them to send messages to ballistic missile submarines hiding below, effectively safeguarding the country in the event that the White House is immobilised. In an atomic war, the E-6s would relay directions to help...