April 1, 2025
Vancouver, British Columbia (Canada)

12:00pm -

Michael Gernhardt (STS-69, STS-83, STS-94, STS-104)

Canadian Underwater Conference & Exhibition keynote
Executive Hotel Vancouver Airport

April 5, 2025
Arlington, Texas

6:00pm -

Christopher Cassidy (STS-127, Soyuz TMA-08M, ISS 35/36, Soyuz MS-16, ISS 62/63)

First Command Educational Foundation Inaugural Gala
National Medal of Honor Museum

April 5, 2025
Edinburgh, Scotland (United Kingdom)

11:00am -

Kathryn Sullivan (STS-41G, STS-31, STS-45)

Talk "Walk Like an Astronaut" and books signing: "How to Spacewalk" and "To the Stars!"
Auditorium, National Museum of Scotland

April 5, 2025
Edinburgh, Scotland (United Kingdom)

7:00pm -

Kathryn Sullivan (STS-41G, STS-31, STS-45)

Talk "Above and Below: An Astronaut's View of our Planet" and book signing: "Handprints on Hubble"
Gordon Aikman Lecture Theatre, University of Edinburgh

April 7, 2025
Nashville, Tennessee

3:30pm -

Michael Massimino (STS-109, STS-125)

Association for Materials Protection and Performance (AMPP) Annual Conference + Expo: Keynote: "The TeamÕs Success is Your Success: You Cannot Do This Alone, You Will Succeed or Fail as a Team"
Music City Center

April 11 - 13, 2025
Titusville, Florida

TBA -

Eileen Collins (STS-63, STS-84, STS-93, STS-114) Donald Thomas (STS-65, STS-70, STS-83, STS-94) Joseph Tanner (STS-66, STS-82, STS-97, STS-115)

ShuttleFest IV
American Space Museum / Hyatt Place Titusville

April 12, 2025
Tulsa, Oklahoma

11:00am -

John Aaron (Apollo EECOM) Gerald Griffin (Flight Director) Fred Haise (Apollo 13)

Apollo 13 55th Anniversary Celebration
Tulsa Air and Space Museum & Planetarium

April 25 - 29, 2025
La Palma, Canary Islands (Spain)

TBA -

Anousheh Ansari (Soyuz TMA-9) Chris Hadfield (STS-74, STS-100, Soyuz TMA-07M, ISS 34/35) Kathryn Thornton (STS-33, STS-49, STS-61, STS-73) Terry Virts (STS-130, Soyuz TMA-15M, ISS 42/43)

Starmus Festival
[Venue(s) TBA]

April 28, 2025
San Antonio, Texas

8:50am -

Michael Massimino (STS-109, STS-125)

Global Clinical Support Group (GCSG) US Conference keynote
Hyatt Hill Country Resort & Spa