The United States and Iran signed a memorandum of understanding on June 18, 2026 [2], to halt fighting and reopen the Strait of Hormuz [4].

The agreement ends a four-month conflict [1] that disrupted global shipping and heightened tensions across the Middle East. By addressing Iran's nuclear program and military operations, the deal seeks to stabilize a region on the brink of wider escalation.

President Donald Trump and Iranian President Masoud Pezeshkian finalized the memorandum, which took immediate effect after signing [3]. The terms prioritize the cessation of hostilities and the restoration of maritime traffic through the Strait of Hormuz [4], a critical chokepoint for global energy supplies.

Parallel to the peace deal, Pakistan's Prime Minister Shehbaz Sharif held a telephonic conversation with President Pezeshkian. The leaders discussed a separate Islamabad memorandum of understanding designed to assist in the reconstruction of Iran [5].

Prime Minister Sharif said the Islamabad MoU will help rebuild Iran [5]. This diplomatic outreach suggests a coordinated regional effort to support Iran's infrastructure following the period of conflict.

The U.S. agreement focuses on three primary pillars: the halt of active fighting, the reopening of strategic waterways, and a framework to address Iran's nuclear ambitions [2]. These measures aim to prevent further military engagement between the two nations and their respective allies.

The agreement ends a four-month conflict that disrupted global shipping.

The simultaneous signing of a ceasefire with the U.S. and a reconstruction agreement with Pakistan indicates a shift toward diplomatic stabilization in the Middle East. By prioritizing the Strait of Hormuz, the deal addresses the primary economic vulnerability of the conflict, while the Pakistani involvement signals a regional pivot toward rebuilding rather than further containment.