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I don't exactly see what ITS brings to the table here, being a multi-stage rocket as anything else that puts stuff in GTO. But anyhow yeah - the physics should

I don't exactly see what ITS brings to the table here, being a multi-stage rocket as anything else that puts stuff in GTO. But anyhow yeah - the physics should favor them by practically an order of magnitude, but if they can ever survive to reap any percentage of that potential - they could just as likely just go bust at any further point in r&d, and they don't seem to have either much funding nor are they advancing particularly rapidly...

rst 9y ago
The spacecraft portion of ITS is being designed for interplanetary travel. Skylon, as I already said, is confined to Earth orbit, with the air-breathing space-plane portion confined to LEO. (It only gets stuff to GTO or GEO with the payload-bay booster, which is a purely conventional rocket.)