The 2022 Vienna Conference on the Humanitarian Impact of Nuclear Weapons (HINW22Vienna) took place on 20 June 2022 in the Austria Center Vienna. Eva Lisowski of the Asia-Pacific Leadership Network presented a report about under what conditions might nuclear weapons be used in Northeast Asia, which covers 27 variants of “use cases”. The key policy lessons in the report include exercising patience, separating international relations from domestic policy concerns, anticipating potential breakdowns in communications, insulating key systems from electronic bursts, and better understanding current and evolving military doctrines. She urged states to work to prevent these “uses cases” from happening even if they are perceived as unlikely