The year 2015 was a transitional period in global spaceflight, combining steady launch activity with emerging technological innovation. SpaceX’s Falcon 9 supported commercial, scientific, and ISS resupply missions, overcoming a mid-year failure and achieving a historic first successful booster landing, demonstrating the feasibility of reusability. China maintained a consistent launch cadence with its Long March rockets, expanding the BeiDou navigation system and advancing future space station plans, while Russia’s Soyuz ensured reliable crewed and uncrewed missions despite Proton challenges. United Launch Alliance provided high-reliability launches with Atlas V and Delta IV, and Europe’s Ariane 5 and Vega supported commercial and institutional missions.
The year 2016 highlighted by advances in reusable launch technology and the emergence of new heavy-lift capabilities. SpaceX returned Falcon 9 to flight and achieved multiple successful first-stage landings, demonstrating growing reliability and paving the way for future reusability. China expanded its launch activity with the Long March family, including the debut of the Long March 5 and missions supporting the Tiangong-2 space laboratory and BeiDou navigation system. Russia continued reliable Soyuz operations for crewed and uncrewed missions, while United Launch Alliance supported critical government and scientific payloads with Atlas V and Delta IV rockets. Europe’s Ariane 5 and Vega maintained strong roles in commercial and institutional launches.
The year 2017 marked a turning point in modern spaceflight, driven by major advances in reusable launch technology and sustained global launch activity. SpaceX achieved a historic milestone with the first reflight of a Falcon 9 booster, demonstrating the viability of reusability while supporting a wide range of missions, including commercial satellites and ISS resupply. China maintained a strong launch cadence with its Long March rockets, expanding the BeiDou navigation system and advancing national space capabilities, while Russia’s Soyuz continued to support reliable crewed and uncrewed missions. United Launch Alliance provided high-reliability launch services with Atlas V and Delta IV for critical government and scientific missions, and Europe’s Ariane 5 and Vega rockets maintained a strong presence in commercial and institutional launches. Emerging providers like Rocket Lab progressed with small-satellite launch capabilities.
This eBook, “One Year in Space 2015-2017”, brings together the mission patches from human spaceflights, satellite deployments, cargo missions, test flights, and deep space launches that took place over the course of the year. These patches, created by space agencies, companies, and mission crews, form a vivid timeline of events, capturing both the symbolism and the spirit of each mission.

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