Crewed on-orbit, returnable, and reusable space vehicle Dream Chaser Commercial Crewed Spacecraft Overview Into the beyond: A crewed mission to a near-Earth object Preliminary Design of a Crewed Mission to Asteroid Apophis in 2029-2036 Microbial Monitoring of Crewed Habitats in Space—Current Status and Future Perspectives An examination of emerging in-space propulsion concepts for one-year crewed mars missions Generation rates and chemical composition of waste streams in a typical crewed space habitat The perfect boring situation—Addressing the experience of monotony during crewed deep space missions through habitability design Optical Navigation Plan and Strategy for the Lunar Lander Altair; OpNav for Lunar and other Crewed and Robotic Exploration Applicati... Optical Navigation Plan and Strategy for the Lunar Lander Altair; OpNav for Lunar and other Crewed and Robotic Exploration Applicati...
