The proposal period for In-Flight STEM Downlinks Expedition 76 is July 27, 2026 – September 25, 2026.

Apply for a Downlink Now

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.

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

Upcoming Downlink Events

The following information is subject to change.

Sept. 24, 2026
Time Frame: TBD
McAuliffe-Shepard Discovery Center
Concord, New Hampshire
Astronauts Anil Menon, Joshua Kutryk and Luke Delaney
Watch on Learn with NASA’s Youtube channel

Oct. 6, 2026
Time Frame: TBD
Freedom Crossing Academy
St. Johns, Florida
Astronauts Jessica Watkins and Luke Delaney
Watch on Learn with NASA’s Youtube channel

Oct. 16, 2026
Time Frame: TBD
Sally Ride Elementary School
Orlando, Florida
Astronauts Jessica Watkins and Luke Delaney
Watch on Learn with NASA’s Youtube channel