JAXA Confirms Inaugural Callisto Flight Test Has Slipped to 2026

Image: European Spaceflight

Japan’s national space agency, JAXA has confirmed that the inaugural test flight of the Callisto reusable rocket demonstrator has slipped to 2026. The Cooperative Action Leading to Launcher Innovation in Stage Toss-back Operations (Callisto) project, conceived in 2015, is a collaborative effort between the French…