2018 in spaceflight

VP-03 (also referred to in some sources as PF04) was a sub-orbital spaceflight of the SpaceShipTwo-class VSS Unity which took place on 13 December 2018, piloted by Mark P. Stucky and co-piloted by Frederick W. "CJ" Sturckow.

Ariane Flight VA245 is the Ariane 5 space launch of BepiColombo that took place on 20 October 2018 at 01:45:28 UTC from the Guiana Space Centre. It was the 101st launch of Ariane 5 (the 5th in 2018), and the 301st Arianespace mission (the 7th in 2018).

RaInCube, also stylized as RainCube, was a 6U CubeSat made by NASA as an experimental satellite. It had a small radar and an antenna. It was put into orbit in May 2018 and was deployed from the International Space Station on June 25, 2018. It re-entered Earth's atmosphere and burned up on Dec. 24, 2020. It was used to track large storms.

Expedition 58 was the 58th expedition to the International Space Station, which began on December 20, 2018 with the departure of the Expedition 57 crew. It was commanded by cosmonaut Oleg Kononenko, with astronauts Anne McClain and David Saint-Jacques as flight engineers; the trio launched on board Soyuz MS-11 on December 3, 2018, marking the 100th orbital launch of the year.

Expedition 57 was the 57th expedition to the International Space Station, which began on October 4, 2018, upon the departure of Soyuz MS-08.

Expedition 54 was the 54th expedition to the International Space Station, which began upon the departure of Soyuz MS-05 on December 14, 2017 and concluded upon the departure of Soyuz MS-06 on February 27, 2018. Alexander Misurkin, Mark Vande Hei and Joseph Acaba were transferred from Expedition 53, with Alexander Misurkin taking the commander role. Transfer of Command from Expedition 54 to Expedition 55 was done on February 26, 2018. Expedition 54 officially ended on February 27, 2018 23:08 UTC, with the undocking of Soyuz MS-06.

The ISRO Pad Abort Test was an Indian Space Research Organisation launch escape system test of its crew module as part of Indian Human Spaceflight Programme. The successful test took place on 5 July 2018.

Ariane flight VA246 is an Ariane 5 space launch of two geosynchronous satellites that took place on 4 December 2018.

Ariane flight VA243 is an Ariane 5 space launch of two geostationary satellites that occurred on 25 September 2018 at 22:38:00UTC from the Guiana Space Centre. It was the 100th launch of Ariane 5 (the 4th in 2018), and the 300th Arianespace mission (the 6th in 2018).

Ariane flight VA244 is an Ariane 5 space launch of four Galileo satellites that occurred from the Guiana Space Centre on 25 July 2018 at 11:25:01UTC. It was the 99th launch of Ariane 5, the 3rd in 2018, and the final flight of Ariane 5 ES variant.