Kankoh-maru
The Kankoh-maru is a proposed vertical takeoff and landing, single-stage-to-orbit, reusable launch system by the.
Overview
The concept was proposed by the in 1993. It was not an official project of any aerospace company, and no manufacturing plan was ever confirmed. The estimated development cost was about in 1995.The name Kankō Maru is derived from the first steam-powered vessel in Edo-era Japan.