In a significant move, the office of Iran's Supreme Leader Ayatollah Ali Khamenei has announced new appointments to key positions, including the naming of Mohsen Rezaee as the secretary of the Supreme National Security Council (SNSC) and Khamenei's representative in the top decision-making body. The appointments come amidst escalating regional tensions and ongoing negotiations with the United States. Rezaee, a former commander-in-chief of the Islamic Revolutionary Guard Corps (IRGC), is expected to strengthen internal cohesion within the organization and reinforce leadership control. Additionally, Ali Abdollahi was appointed as the new chief of staff of the armed forces, while Ali Ozmaei was named as the head of the IRGC Navy. Notably, Brigadier General Ahmad Vahidi was confirmed as commander-in-chief of the IRGC, taking over from Mohammad Pakpour who was killed during the US-Israel conflict in late February. The appointments are seen as a signal of Iran's continued resistance to the United States and a reinforcement of its strategic stance. These developments come as negotiations between Iran and the U.S. continue, with Sina Azodi, an assistant professor of Middle East Politics at the George Washington University, stating that Khamenei, Vahidi, and the IRGC leadership all share the view that continued resistance to the U.S. is strategically necessary. The new appointees bring deep institutional experience and considerable authority, aiming to further solidify Iran's national security structure amidst ongoing regional conflicts and geopolitical challenges.