Progress MS-34, a Russian cargo spacecraft, was launched in April 2026 to deliver essential supplies, fuel, and scientific equipment to the International Space Station supporting Expedition 74 operations.
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- Progress MS-34, also known as Progress 95, is an unmanned Russian cargo spacecraft developed by Roscosmos to transport essential supplies and equipment to the International Space Station.
- The spacecraft was launched on April 25, 2026, from Baikonur Cosmodrome and successfully docked with the Zvezda service module of the ISS on April 27.
- It delivered over 2,500 kilograms of cargo, including food supplies, fuel, water, oxygen, maintenance tools, and scientific equipment required for astronaut operations onboard the station.
- The cargo included 483 kg food, 311 kg maintenance tools, 333 kg hygiene supplies, 146 kg scientific instruments, and 75 kg medical equipment for crew support.
- Additional resources such as 700 kg propellant, 420 kg drinking water, and 50 kg oxygen were supplied to maintain station operations and astronaut life support systems.
- Scientific payloads onboard include studies on neuroimmunity, bone density changes, microorganism behavior in space, stress responses, and advanced water recycling technologies for long-duration missions.
- The spacecraft performed automated docking using advanced navigation and orbital maneuvering systems, ensuring precise attachment with the ISS without manual astronaut intervention.
- Progress MS-34 is part of the long-running Progress series, which has supported space missions since 1978 and continues to play a vital role in ISS logistics.




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