Surface Mating
Surface mating technology enables the movement of crew and cargo between mobile and stationary surface elements without the need for extravehicular activity. It is currently at the conceptual stage, as pressurized transfer remains an emerging area of research and development.
| Civil Space Shortfalls | SF15 |
| ESDMD Architecture-Driven Technology Gaps | 0807 |
| Primary Technology Taxonomy | TX04.5, TX12.3.1 |
International Docking System Standard – Surface (IDSS-S)
![]() | Description Surface Standard Docking interface enables interoperability between pressurized elements providing pressurized transfer capability for crew and cargo. The IDSS-S’ concept flight design, first article production, and standard interface definition are currently in work with TRL 9 estimated by 2031 Potential Use Cases Surface mating (76.2cm x 152.4 cm passage, active and passive-side docking interfaces) TRL: 3 Intended Environment: Moon, Mars Technology Source: NASA Discover More at NTRS ![]() |












