The Quest Joint Airlock, previously known as the Joint Airlock Module, is the primary airlock for the International Space Station.

Are there airlocks on the ISS?

21), the first commercial airlock ever sent to the International Space Station (ISS) was attached to its exterior. The new structure is a bell-shaped airlock that is designed to transfer payloads and other materials from inside the station out into the vacuum of space.

How many airlocks are on the ISS?

Currently, there are three active airlocks on the space station — two that allow people to depart the station and one airlock in the Japanese Experiment Module that is used for releasing payloads into space.