[Xixi]

The F35-B is both supersonic and VSTOL [1]: very hard indeed, but done. Just like the Harrier, the F35-B probably doesn't take off vertically with any significant payload though.

[1] https://en.wikipedia.org/wiki/Lockheed_Martin_F-35_Lightning...

[lmm]

The F-35-B has essentially two different types of engine (the main engines and the lift fan) to make that work.