Here is the video which they should have put in the post:
https://global.honda/content/dam/site/global-en/topics-new/c...
replies(16):
https://global.honda/content/dam/site/global-en/topics-new/c...
But an impressively smooth landing regardless, and I would imagine maybe harder the smaller the rocket is.
You likely weren't being exhaustive in your listing, but I first started watching aerospace development with Armadillo Aerospace, and some of their rockets were much smaller. Their largest one was still shorter than the dc-x.