The Progress resupply vehicle is an automated, unpiloted version of the Soyuz spacecraft that is used to bring supplies and fuel to the International Space Station. Progress MS-13 will deliver close to 2,480 kilograms of supplies to the ISS, including around 420 kilograms of water in the containers of the Rodnik system, around 50 kilograms of pressurized oxygen in tanks, around 650 kilograms of propellant for refueling and around 1,350 kilograms of dry cargo, such as food rations, hardware for life-support and flight control systems, hygiene and medical supplies. In addition, the crew was also scheduled to receive a new tread for the treadmill.
The Soyuz 2.1A converted the flight control system from analog to digital, which allowed launch from fixed platforms. It also allowed big fairings and payloads.
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.INFO WIKI