Astronaut Jeremy Hansen, who recently completed a historic lunar mission as part of Artemis II, has announced his retirement from the Canadian Space Agency (CSA).The CSA confirmed Monday that Hansen will transition to a reservist role with the Royal Canadian Air Force starting September 2026.His departure follows his groundbreaking journey around the moon in April 2026, marking Canada's first lunar mission.Hansen expressed gratitude for his career, emphasizing his commitment to Canada's space ambitions.The CSA highlighted his 17 years of service and contributions to space exploration.With three astronauts remaining at the agency, Hansen's retirement signals a shift in leadership but maintains continuity through his new role.His social media post reflected pride in his achievements and appreciation for support from Canadians and international partners.This milestone underscores Canada's growing presence in global space initiatives.