US and Israel Respond to Iran Navy Muscle Flexing

NEWSWEEK-Dec8th2025

BY;Amir Daftari

Israel and United States 5th Fleet warships are conducting coordinated naval drills amid rising tensions in the Middle East. The exercises follow recent Iranian maneuvers in the Persian Gulf, during which Tehran tested missiles and issued warnings to American vessels.

Israeli and U.S. officials say the drills are intended to strengthen coordination, test operational readiness, and prepare for potential confrontations with Tehran’s expanding missile and naval capabilities.

Newsweek has contacted the State Department and the foreign ministries of Iran and Israel for comment.

Why It Matters

The drills underscore the persistent volatility in the region and the strategic importance of maritime control in the Middle East. They follow the 12-Day War in June, which included U.S. strikes on Iranian nuclear facilities, highlighting that regional tensions remain high and that Israel and the U.S. are focused on deterring further escalation.

By demonstrating joint operational capability, Israel and the U.S. aim to signal unity and readiness while preparing for a range of potential scenarios. Meanwhile, Iran’s ongoing missile development and naval exercises suggest Tehran continues to assert its presence and maintain a credible deterrent posture in the region.

What To Know

The weeklong exercises, code-named Intrinsic Defender, started on Sunday and involve the Israeli Navy and the U.S. Navy’s 5th Fleet. The drills are taking place off Israel’s coast, with ships and personnel conducting a range of coordinated maritime maneuvers.

“The exercise, which aims to strengthen strategic and operational cooperation between the two naval forces, and practice responses to various regional threats, will continue throughout the week.” the Israel Defense Forces said in a statement posted on X.

The U.S. Navy’s 5th Fleet, which oversees American operations in the Middle East, has participated in the joint drills with Israel since their inception in 2022.

The fleet plays a central role in coordinating complex maritime maneuvers, providing logistical support, and integrating advanced systems, allowing both navies to practice responses to potential regional threats and strengthen interoperability. Its deployments typically include a mix of vessels such as a nuclear-powered aircraft carrier, guided-missile cruisers, Arleigh Burke—class destroyers, and other escort and patrol ships, giving the fleet the flexibility to conduct power projection, maritime security, and anti-ship or air defense operations across the region.

Iran’s Naval Activity

While Israel and the U.S. focus on enhancing their joint readiness, Iran has also been active in nearby waters. Last week, the Iranian Revolutionary Guard Corps (IRGC) carried out a two-day exercise in the Persian Gulf, the Sea of Oman, and the Strait of Hormuz. State media reported that IRGC units issued warnings to foreign ships, and Tehran described the maneuvers as a “display of active presence” aimed at demonstrating its maritime capabilities.

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