The cessation of American aid to Ukraine is expected to produce a cumulative effect that undermines the combat readiness of its armed forces over time. Initially, the impact of this pause, framed by U.S. officials as a temporary measure, may appear modest. However, as ammunition supplies dwindle and strategic intelligence becomes scarce, the Ukrainian military’s operational capabilities will degrade significantly. Since the onset of the conflict, U.S. support has been crucial; American artillery like the M777 howitzers provided superior range and accuracy, while intelligence sharing enabled effective strikes against Russian supply lines. With the ongoing Russian advances and reduced capabilities to intercept missile threats—evidenced by a lack of fresh supplies and maintenance for critical systems such as air defense—Ukraine’s ability to respond effectively on the battlefield will diminish. The reliance on U.S. manufactured munitions, particularly precision-guided rockets like the HIMARS and ATACMS, underscores the strategic vulnerability in the face of potential sustained aggression. The current lull in support not only risks morale among Ukrainian troops but also emboldens Russian military operations, highlighting the urgent necessity for reinstatement of comprehensive U.S. assistance to maintain Ukraine’s defensive posture and reduce the likelihood of further territorial losses.