KENNEDY SPACE CENTER, Fla. (NASA PR) — In the next year, the International Space Station will gain two new docking ports for spacecraft visiting the orbiting laboratory, including the Boeing CST-100 and SpaceX Crew Dragon under development in collaboration with NASA’s Commercial Crew Program. Earlier this year, NASA astronauts conducted three spacewalks to rig the power, data, and communications cables for the docking ports.

The next step is to add the International Docking Adapters that will provide a flawless fit between the space station and any visiting spacecraft so crews can safely move between them through connecting hatches. The first docking adapter now is deep into processing at Kennedy Space Center to prepare for its delivery to the station on the seventh SpaceX commercial resupply services mission, scheduled to launch no earlier than June 19. The second adapter will go through similar processing later this year for launch on the ninth SpaceX resupply mission.

Engineers will continue in-depth analysis and measurements of the ports before they are launched. Commercial Crew providers, Boeing and SpaceX, are using the precise measurements and standards of the adapters and space station as they build the spacecraft and docking mechanisms they will launch to carry astronauts to the station.