The 21st-century multi-domain environment has brought about a significant shift in deterrence strategies. Unlike the Cold War, where U.S. and Soviet deterrence strategies rested on nuclear weapons, today Russia and China possess sophisticated warfighting approaches that allow them to fight below the nuclear threshold. In this world, conventional forces will play the prominent role deterring Chinese and Russian aggression. The fires community possesses the culture and skillsets to help commanders build integrated operational plans that support deterrence strategies.