= International Berthing and Docking Mechanism = * https://en.wikipedia.org/wiki/International_Berthing_and_Docking_Mechanism * https://www.internationaldockingstandard.com/index.html * https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/New_international_standard_for_spacecraft_docking * https://www.qinetiq.com/sectors/defence/space/spacecraft-and-subsystems/berthing-and-docking