I found a 2017 document that proposes a "Mars Aerocapture Orbiter". This figure seems to suggest "plans" for an HTV for Mars that would aerocapture into orbit.
I wonder how hard this is never going to happen.
https://t.co/yH01tYJVTj https://t.co/2wZBm335Ta
@TaIverd From what I can gather, the boomerang system is a free flyer that would float away from Freedom to allow for a lower microgravity environment for some experiments.
Page 80 https://t.co/qMZiSgXEKL
This document had only 4 downloads when I found it yesterday https://t.co/lA5BqFsQwm
@Truthful_ast I've never seen this concept before. I've only seen these reusable boosters as rendered by @ansur_nied, as well as this NASDA diagram from 1996:
https://t.co/42OkOP7VIj https://t.co/6RyMif313Z