Honda conducts successful launch and landing of experimental reusable rocket

I wouldn't have expected Honda to enter this space.

Why the huge release of steam from the top of the rocket at the end? Release of heat that builds up during the descent? (Though it's not depending that fast, so it wouldn't be heat from atmospheric friction.)

someone mentioned it was the liquid propellant being vented:

https://news.ycombinator.com/item?id=44303132

Mitsubishi makes cars, planes and rockets.

Now Honda does