• Hopper (spacecraft)
    1. January 2010. pp. 36–46. Gockel, Wilhelm; Kyr, Peter; Janovsky, Rolf; Roenneke, Axel (October 2004). Reusable RLV Demonstrateur Vehicles - Phoenix...
    17 KB (1,964 words) - 11:18, 18 January 2024