Category
page 12015 in spaceflight
Beagle 2
British Mars lander; failed to deploy properly after landing
Expedition 46
46th expedition to the International Space Station
Expedition 44
44th expedition to the International Space Station
Expedition 45
45th expedition to the International Space Station
Expedition 43
43rd expedition to the International Space Station
Long March 6
Chinese orbital carrier rocket series
Expedition 42
42nd expedition to the International Space Station
International Docking Adapter
spacecraft docking adapter

Tiangong-3
Tiangong-3 () was a proposed Chinese space station that was part of the Tiangong program. The China National Space Agency (CNSA) initially planned to launch Tiangong-3 around 2015, following the launch of the Tiangong-2 test laboratory, which was originally planned for 2013. However, the goals for the Tiangong-2 and Tiangong-3 laboratories were merged, and the latter was not ordered. Eventually, the first module of the third station of the Tiangong program, Tiangong space station, was launched in 2021.

2015 in spaceflight
overview of spaceflight-related events during the year 2015
SPARK
American expendable launch system
ISS year long mission
Research project of the health effects of being in space long term

Falcon 9 Flight 20
20th launch of the Falcon 9 rocket, carrying 11 Orbcomm-OG2 satellites; first landing of an orbital rocket first stage
Crew Dragon Pad Abort Test
abort test of the Dragon 2 spacecraft