Delta wings aren't necessary for that. The Soviet's wingless first/early iteration of a Shuttle copy was designed to soft land with its 20 ton return payload by

Delta wings aren't necessary for that. The Soviet's wingless first/early iteration of a Shuttle copy was designed to soft land with its 20 ton return payload by parachute, aided by retrorockets firing at the last moment. https://falsesteps.wordpress.com/2012/10/06/mtkvp-glushkos-opening-gambit/ https://falsesteps.wordpress.com/2012/10/06/mtkvp-glushkos-o...