Ariane 42P | Topex-Poseidon, Kitsat 1 & S80/T

The TOPEX/POSEIDON satellite was launched on 10 August 1992 with the objective of "observing and understanding the ocean circulation". A joint project between NASA, the U.S. space agency, and CNES, the French space agency, it carries two radar altimeters and precise orbit determination systems, including the DORIS system. KITSAT-1 (Korean Institute of Technology Satellite) was a collaborative research mission, encompassing the installation of a groundstation in South Korea, participation of Korean engineers in the UoSAT-5 mission, technology transfer and training of students on the MSc courses at Surrey, and the involvement in a engineering and flight microsatellites. The S80/T satellite was built for CNES by Matra Marconi Space using the Surrey Satellite Technology Microbus (Uosat) bus.

The Ariane 4 was an expendable space launch system, developed by the Centre national d'études spatiales (CNES), the French space agency, for the European Space Agency (ESA). It was manufactured by ArianeGroup and marketed by Arianespace. Since its first flight on 15 June 1988 until the final flight on 15 February 2003, it attained 113 successful launches out of 116 total launches.

Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.