In a striking Palm Sunday homily on March 29, 2026, Pope Leo XIV delivered a pointed spiritual critique against leaders who invoke faith to justify military aggression, stating that Jesus, the 'King of Peace,' 'does not listen to the prayers of those who wage war, but rejects them,' quoting Isaiah: 'Even though you make many prayers, I will not listen: your hands are full of blood.' Delivered against the backdrop of the ongoing U.S.-Israeli military campaign in Iran that began with strikes on February 28, the pontiff's words introduce a profound religious and moral dimension to the conflict, one that mainstream coverage has largely sidestepped in favor of geopolitical analysis. This rebuke highlights deep fault lines between the Vatican’s consistent peace advocacy and elements within the Trump administration that have blended Christian rhetoric with calls for 'overwhelming violence' in Pentagon prayer services led by Defense Secretary Pete Hegseth. While the White House, through Press Secretary Karoline Leavitt, responded by affirming that U.S. troops 'appreciate prayers' and defending the moral necessity of the operation, the papal statement exposes tensions over whether divine sanction can be claimed for modern warfare involving significant civilian casualties—over 1,500 reported in Iran alone. Going deeper, this echoes historical papal interventions in conflicts, challenging 'just war' interpretations and questioning the spiritual legitimacy of airstrikes and escalation in the Middle East, where Christian communities face heightened peril. By rejecting any use of Jesus to justify violence, Pope Leo underscores a heterodox tension in contemporary geopolitics: the collision between state power, religious nationalism, and ancient scriptural ethics on bloodguilt.