The Cipher Brief Open Source Report for Wednesday, December 15, 2021

A very big national security news day. US Air Force discharges 27 for COVID vaccine refusals; Space Force begins 10 days of war games; US House passes bill to ban imports from Xinjiang; Britain releases new national cyber strategy; German court sentences Russian to life over 2019 Berlin killing of Chechen; Estonia's PM sounds alarm on Putin's Ukraine trap; Kremlin says US given concrete proposals to de-escalate while Putin touts Russia's relationship with China as a 'model' of cooperation. A lot more in this episode.