What’s SpaceX Up To?

As if manned space capsules and reusable boosters weren’t enough…but what is “MCT”? Some tantalizing bits from Flight Global: Musk said the new rocket, which he calls MCT, will be “several times” as powerful as the 1 Merlin series, and won’t use Merlin’s RP-1 fuel. Beyond adding that it will have “a very big core [...]