Each Progress mission delivers pressurized and unpressurized cargo to the station. The pressurized section carries consumables such as food, along with equipment for maintenance and scientific research. The unpressurized section contains tanks of fuel, drinking water, and gases to replenish the onboard atmosphere, which are transferred to the station through automated systems. For this mission, Progress MS-34 carried a total of of cargo and supplies, including: • Pressurized supplies: , including: • of food • of equipment for repair and maintenance • of hygiene supplies • of equipment for scientific experiments • of medical equipment • Fuel: • Drinking water: • Oxygen gas: Progress MS-34 carries the eighth unit of the
Orlan-MKS space suit to the ISS. The science payloads carried aboard include experiments about virtual reality, effects of stress on the immune and nervous systems, bone mass loss, effects of microbes on materials, and water regeneration. == References ==