Right now, a lot of us can’t even fly out of our own countries, but if Florida-based planemakers Aerion are to be believed, by the end of the decade we’ll be able to jet between Los Angeles and Tokyo in under three hours.Right now, a lot of us can’t even fly out of our own countries, but if Florida-based planemakers Aerion are to be believed, by the end of the decade we’ll be able to jet between Los Angeles and Tokyo in under three hours.