Introduction The new CRS report Ukrainian Military Performance and Outlook delves into the multifaceted evaluation of the Ukrainian Armed Forces’ (UAF) performance since the commencement of Russia’s invasion in 2022. It provides a comprehensive analysis of the challenges, advancements, strategic implications, and future outlook concerning personnel, equipment, U.S., and Western security assistance, alongside a detailed assessment of current military performance. Overview The Ukrainian Armed Forces (UAF) have demonstrated notable resilience and tactical prowess in defending against and pushing back Russian forces, despite initial disadvantages.