Anduril founder Palmer Luckey says the US will fall behind China in the AI weapons race if it doesn't invest more in research and development.Luckey said the US has already opened 'Pandora's box,' so it might as well go all in.The alternative is that China surpasses the United States in autonomous weaponry, he said.Luckey founded Oculus and defense company Anduril, which produces autonomous systems and weapons for the US military.