In-Flight STEM Downlinks Expedition 74 proposal period is now closed. For Expedition 75 downlink proposals, look for more information this fall.
Please reach out to the Downlinks team at JSC-Downlinks@mail.nasa.gov with questions.

In-flight STEM Downlinks allow participants and facilitators to interact with astronauts onboard the International Space Station. These opportunities are available to both formal and informal U.S.-based organizations.

How To Apply

For Expedition 75 downlink proposals, look for more information this fall.

Please reach out to the Downlinks team at JSC-Downlinks@mail.nasa.gov with questions.