Indian Air Force Wing Commander Shubhanshu Shukla has been selected as the prime astronaut for the upcoming Indo-US mission to the International Space Station (ISS).
- A joint statement signed between India and the US during the official state visit of Prime Minister Narendra Modi in June 2023 envisioned a joint ISRO-NASA effort to the ISS.
- Towards the goal of mounting a joint ISRO-NASA effort, the Human Space Flight Centre (HSFC) of ISRO has entered into a Space Flight Agreement (SFA) with NASA-identified service provider Axiom Space Inc, USA for its upcoming Axiom-4 mission to the ISS.
- A National Mission Assignment Board has recommended two Gaganyatris as prime and backup Mission Pilot for this mission. These include Group Captain Shubhanshu Shukla (Prime) and Group Captain Prasanth Balakrishnan Nair (Backup).
- Gaganyaan project envisages a demonstration of human spaceflight capability by launching a crew of 3 members to an orbit of 400 km for a 3-day mission and bringing them back safely to earth, by landing in Indian sea waters.