At least 15-20 days, but its only flight lasted only 206 minutes.
The Buran programme was started by the Soviet Union as a response to the United States Space Shuttle programme. The project was the largest and the most expensive in the history of Soviet space exploration. Development work included sending BOR-5 test vehicles on multiple sub-orbital test flights, and atmospheric flights of the OK-GLI aerodynamic prototype. Buran completed one uncrewed orbital spaceflight in 1988, after which it was recovered successfully. Although the Buran class was similar in appearance to NASA's Space Shuttle orbiter, and could similarly operate as a re-entry spaceplane, its internal and functional design was distinct. For example, the main engines during launch were on the Energia rocket and were not taken into orbit by the spacecraft. Smaller rocket engines on the craft's body provided propulsion in orbit and de-orbital burns, similar to the Space Shuttle's OMS pods.
The Buran was a Soviet and later Russian reusable spacecraft that began development in 1974 at the Central Aerohydrodynamic Institute in Moscow and was formally suspended in 1993.
A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group. …
A batch of 23 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Tianlian is a Chinese data tracking and relay communications geostationary satellite series. The TL 2 (Tian Lian 2) satellites represent the second g…
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Ninth crewed flight to the Chinese space station.
Dedicated rideshare flight to a mid-inclination orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.
32nd commercial resupply services mission to the International Space Station operated by SpaceX. The flight will be conducted under the second Commer…
Tenth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to…
A group of 6 Chinese satellites reported to be for "space environment probing and other related technological testing". Actual usage not known.