page_title: International Docking Adapter
section_title: Common Docking Adapter
hierarchical_section_title: International Docking Adapter / History / Common Docking Adapter
caption_attribution_description: English: Computer-aided design (CAD) model of the Common Docking Adapter (CDA). Please note the Power Data Grapple Fixture would be remove prior to a vehicle docking.
context_page_description: The International Docking Adapter is a spacecraft docking system adapter developed to convert APAS-95 to the NASA Docking System. An IDA is placed on each of the International Space Station's two open Pressurized Mating Adapters, both of which are connected to the Harmony module.
context_section_description: The Common Docking Adapter (CDA) was announced in 2009. It was planned to be used to convert the Common Berthing Mechanism to the NASA Docking System. The CDAs would have been attached directly to Node-2 forward and Node-2 zenith. They would have been delivered on the Japanese HTV cargo spacecraft.
caption: Rendering of the now-cancelled Common Docking Adapter
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