On Mon, 8 May 2017 21:48:49 -0700 (PDT), RichA
wrote:

Eesh! Like replacing a Veyron with a Prius.

http://www.bbc.co.uk/newsbeat/articl...years-in-orbit

It's not a shuttle replacement. It's a reusable UNMANNED orbiter.
There's seldom any use for humans in space. Developing unmanned craft
like this makes good sense.