Salty Dog 502 trailed Omega Air Refuelling 707 tanker from a mile off . It used optical sensors and a camera to monitor approach to 20 feet . It then plugged its refuelling probe into hose of Drone . the Omega Air KC-707 is size of an F/A-18 Super Hornet and weighs 44,000lb ( 20,000kg )
Salty Dog 502 trailed Omega Air Refuelling 707 tanker from a mile off . It used optical sensors and a camera to monitor approach to 20 feet . It then plugged its refuelling probe into hose of the Omega Air KC-707 . Drone is size of an F/A-18 Super Hornet and weighs 44,000lb ( 20,000kg )