The primary objective of STS-104 is ISS Assembly Flight 7A.
This mission will deliver the Joint Airlock and High Pressure Gas Assembly. The Airlock will provide station-based Extravehicular Activity (EVA) spacewalking capability for both US and Russian spacesuits. The High pressure gas assembly will support spacewalk operations and augments the Service Module gas resupply system.
Cargo Manifest. Note: [numbers] = ISS SE (Subelement) numbers.