Rocket: Soyuz-2.1b/Fregat M; Payload: EKS-3 [Tundra 3, Kosmos-2541]; Date: 26 September 2019, 0746 UTC; Launch site: Plesetsk, Russia. The early warning was deployed as planned and has been tracked in a 1,646 km x 38,537 km x 63.83 degrees Molniya orbit.

Source: Third EKS 'Tundra' early warning satellite launched