A Kraken K3 Scout is dragged swiftly out of an A400's cargo hold by a parachute. Royal Navy/Kraken The UK's navy has been launching uncrewed surface vessels from an A400 transport aircraft. The 1,300-foot airdrop is the first of its kind, the Royal Navy said. The tests could solve a major limit for drone boats, removing the need for support ships or ports. The UK Royal Navy said on Wednesday that it's been test-launching sea drones from a turboprop aircraft at 1,300 feet, in what it described