Thales Alenia Space (TAS) delivered Koreasat-5, a dual commercial-military spacecraft, under a joint contract with KT SAT and the Korean Agency for Defence Development (ADD) in 2006. Thales also participated in the Kompsat-5 (Korean Multi-purpose Satellite 5) observation programme which was launched in 2013. For commercial use and communications, Thales delivered the Koreasat-6 to KT SAT in 2010. In 2014, Thales was granted a contract for the Koreasat-7 and Koreasat-5A telecommunication satellites with KT SAT. Both are for commercial use and were launched with success by Arianespace (Koreasat-5A) and Space X (Koreasat-7), entering service in 2017.
In Oct 2016, Thales signed a contract with Korea Aerospace Research Institute (KARI) to jointly develop KASS (Korea Augmentation Satellite System). This programme will greatly enhance the quality of life and safety by ensuring air traffic safety, facilitating emergency responses and rescue.
In 2018, Thales signed with Korea Aerospace Industries (KAI) and Hanwha Systems Corporation (HSC) to develop a constellation of four high-resolution observation military radar satellites for Korean government, Agency for Defense Development (ADD).