Dr. Walther Pelzer, Head of the German Space Agency, German Aerospace Center (DLR) gives remarks in a Heads of Agency panel discussion, during the 36th Space Symposium, Wednesday, Aug. 25, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

Dr. Walther Pelzer, Member of the German Aerospace Center (DLR) Executive Board, Head of the German Space Agency at DLR speaks in a bilateral meeting with NASA during the 36th Space Symposium, Monday, Aug. 23, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

Dr. Walther Pelzer, Executive Board Member and Head of the German Space Agency at the German Aerospace Center (DLR) speaks in a Heads of Agency panel during the 37th Space Symposium, Wednesday, April 6, 2022, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Bill Nelson, right, meets with Dr. Walther Pelzer, Member of the German Aerospace Center (DLR) Executive Board, Head of the German Space Agency at DLR in a bilateral meeting during the 36th Space Symposium, Monday, Aug. 23, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

German Aerospace Center (DLR) executive board chair, Dr. Pascale Ehrenfreund, left, and Walther Pelzer, DLR executive board member, speak with NASA Administrator Jim Bridenstine about the robust relationship between their agencies in human and robotic exploration, and prospects for cooperation as NASA pursues the landing of humans on the Moon by 2024, at the Space Symposium, Wednesday, April 10, 2019 in Colorado Springs, Colorado. Photo Credit: (NASA/Aubrey Gemignani)

Director General of the German Space Agency at the German Aerospace Center (DLR) Walther Pelzer signs the Artemis Accords, Thursday, September 14, 2023, at the German Ambassador’s Residence in Washington. Germany is the 29th country to sign the Artemis Accords, which establish a practical set of principles to guide space exploration cooperation among nations participating in NASA’s Artemis program. Photo Credit: (NASA/Keegan Barber)

A model of the Orion Spacecraft is seen in the foreground as Director General of the German Space Agency at the German Aerospace Center (DLR) Walther Pelzer delivers remarks during an Artemis Accords signing ceremony, Thursday, September 14, 2023, at the German Ambassador’s Residence in Washington. Germany is the 29th country to sign the Artemis Accords, which establish a practical set of principles to guide space exploration cooperation among nations participating in NASA’s Artemis program. Photo Credit: (NASA/Keegan Barber)

Director General of the German Space Agency at the German Aerospace Center (DLR) Walther Pelzer delivers remarks during an Artemis Accords signing ceremony, Thursday, September 14, 2023, at the German Ambassador’s Residence in Washington. Germany is the 29th country to sign the Artemis Accords, which establish a practical set of principles to guide space exploration cooperation among nations participating in NASA’s Artemis program. Photo Credit: (NASA/Keegan Barber)

Walther Pelzer, German Aerospace Center (DLR) executive board member, speaks with NASA Administrator Jim Bridenstine about the robust relationship between their agencies in human and robotic exploration, and prospects for cooperation as NASA pursues the landing of humans on the Moon by 2024, at the Space Symposium, Wednesday, April 10, 2019 in Colorado Springs, Colorado. Photo Credit: (NASA/Aubrey Gemignani)

NASA Deputy Administrator Pam Melroy, left, and Executive Board Member and Head of the German Space Agency at the German Aerospace Center (DLR) Dr. Walther Pelzer, pose for a photograph prior to starting at meeting during the 37th Space Symposium, Monday, April 4, 2022, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Science Thomas Zurbuchenlistens during a bilateral meeting with Dr. Walther Pelzer, Member of the German Aerospace Center (DLR) Executive Board, Head of the German Space Agency at DLR, Monday, Aug. 23, 2021, during the 36th Space Symposium in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Bill Nelson meets with Dr. Walther Pelzer, Member of the German Aerospace Center (DLR) Executive Board, Head of the German Space Agency at DLR in a bilateral meeting during the 36th Space Symposium, Monday, Aug. 23, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

From left to right, ESA (European Space Agency) astronaut Matthias Maurer, NASA Deputy Administrator Pam Melroy, National Space Council (NSpC) Executive Secretary Chirag Parikh, Federal Government Coordinator of German Aerospace Policy Anna Christmann, NASA Administrator Bill Nelson, Director General of the German Space Agency at the German Aerospace Center (DLR) Walther Pelzer, Acting Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs Jennifer R. Littlejohn, German Ambassador to the United States Andreas Michaelis, and ESA astronaut Alexander Gerst pose for a group photo during an Artemis Accords signing ceremony, Thursday, September 14, 2023, at the German Ambassador’s Residence in Washington. Germany is the 29th country to sign the Artemis Accords, which establish a practical set of principles to guide space exploration cooperation among nations participating in NASA’s Artemis program. Photo Credit: (NASA/Keegan Barber)

Heads of Agency participate in a panel discussion, from left, Dr. Josef Aschbacher, Director General, European Space Agency (ESA); Dr. Philippe Baptiste, President, French Space Agency (CNES); Dr. Paul Bate, Chief Executive Officer UK Space Agency (UKSA); moderator Dr. Kathryn C. Thornton, Chairwoman, Space Foundation; Lisa Campbell, President, Canadian Space Agency (CSA); NASA Deputy Administrator Pam Melroy; Dr. Walther Pelzer, Executive Board Member and Head of the German Space Agency at the German Aerospace Center (DLR); and Dr. Hiroshi Yamakawa, President, Japan Aerospace Exploration Agency (JAXA), right, during the 37th Space Symposium, Wednesday, April 6, 2022, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Human Exploration and Operations Kathy Lueders meets with Dr. Walther Pelzer, Member of the German Aerospace Center (DLR) Executive Board, Head of the German Space Agency at DLR in a bilateral meeting during the 36th Space Symposium, Monday, Aug. 23, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Pam Melroy listens in a Heads of Agency panel during the 37th Space Symposium, Wednesday, April 6, 2022, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

Heads of Agency panel discussion, during the 36th Space Symposium, Wednesday, Aug. 25, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

Heads of Agency panel discussion, during the 36th Space Symposium, Wednesday, Aug. 25, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Bill Nelson gives remarks in a Heads of Agency panel discussion, during the 36th Space Symposium, Wednesday, Aug. 25, 2021, in Colorado Springs, Colorado. Photo Credit: (NASA/Bill Ingalls)