The Day of Action

April 19-20, 2026

The Day of Action is The Planetary Society's annual advocacy event that connects space advocates with their members of Congress in Washington, D.C.

Registration includes

Online and in-person advocacy training from The Planetary Society's space policy team
At least three meetings with congressional offices booked for you by The Planetary Society with opportunities for more
Access to special events, social gatherings, and space-themed experiences for you and fellow members while you're in D.C.

Not included

Travel to and lodging in Washington, D.C. (See our travel and lodging tips).

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This is how we work for space in Washington D.C. Participants share their experiences from the 2023 Day of Action.

Why participate?

Research has shown that in-person constituent meetings are the most effective way to engage elected officials on topics like space exploration. If you believe in a future of space, this is the way to show it.

Anyone is welcome, whether they're an experienced space advocate or just a fan of space exploration.

Citizenship Requirements

Anyone with a U.S. address is welcome to attend.

Age Requirements

Anyone under the 18 must be accompanied by a parent or legal guardian.