-
MLD spaceplane by starbase on 05 Feb, 2019 14:30
-
Intriguing (new?) concept for a reusable Russian spaceplane, which will be carried piggyback on a M-55 plane to launch altitude.
Source: http://www.thedrive.com/the-war-zone/26323/russia-plans-to-launch-tiny-space-plane-off-back-of-high-flying-m-55-research-jet
https://ria.ru/20190204/1550328563.html