According to lip reader Nicola Hickling, who spoke with Hello!, Prince William helped keep the kids engaged during the formal event by turning the aircraft flyover into a guessing game.
According to Nicola, Kate was spotted asking George, “What is this, George?” as a plane flew overhead. George hesitated, replying, “Errr that’s erm a… I can’t see it yet.” Louis then chimed in, “It’s my turn!”
George eventually identified the aircraft as an Atlas and William leaned toward Queen Camilla to share. “That’s the Atlas, you know,” he reportedly said, adding, “That’s the Poseidon—they are the air fighters.”