Why It Matters

The U.S. naval headquarters in Bahrain, Naval Support Activity (NSA) Bahrain, has sustained damage that preliminary estimates put at a minimum of $400 million, according to a Congressional Research Service (CRS) report updated September 23. One unnamed U.S. official described the base as "nearly destroyed," and Chief of Naval Operations Admiral Daryl Caudle said, "We're not getting back in [Bahrain at full operating status] anytime soon."

The damage has prompted congressional review of whether to fund repairs at a base that sits 124 miles from Iran, pursue alternative basing arrangements, or fundamentally restructure the U.S. Gulf presence. Acting Navy Secretary Hung Cao has already commissioned a task force to evaluate those options, and the 2023 Comprehensive Security Integration and Prosperity Agreement (C-SIPA) raises questions about whether Iranian strikes trigger deeper bilateral obligations under that framework.

The Big Picture

Since the U.S.-Iran conflict began in February 2026, Iran's drone and missile strikes have hit Bahraini critical infrastructure, including an oil refinery, an aluminum smelter, a desalination plant, and an Amazon-owned data center, as well as U.S. military facilities. Through August, Bahrain ranked as the fourth-most-targeted country by Iran since hostilities began, behind the United Arab Emirates, Kuwait, and Saudi Arabia.

With NSA Bahrain damaged, the Navy has rerouted logistics through Naval Support Facility Diego Garcia, spanning an estimated 2,200-mile distance to avoid the Iranian coastline. The National Defense Authorization Act for Fiscal Year 2026, enacted as P.L. 119-60, authorized $42 million in military construction for NSA Bahrain before the conflict began, while draft fiscal year 2027 bills would authorize $5.9 million in energy programs for the base.

On the arms sales front, the administration notified Congress of several major foreign military sales packages in fiscal year 2026 totaling over $3.2 billion, including $1.62 billion in Patriot missiles, $950 million in AH-1Z Attack Helicopters, $445 million in F-16 sustainment, and $253 million in Advanced Precision Kill Weapon Systems.

The conflict has also accelerated a domestic crackdown in Bahrain: courts have convicted citizens of filming in prohibited locations, the government revoked the citizenship of dozens of individuals for posting pro-Iranian sentiment online, and three members of parliament were expelled after opposing a royal decree removing judicial oversight over citizenship matters. Bahrain's economy has contracted nearly 5 percent in 2026, credit default swap prices are up almost 40 percent this year, and Bahrain and the UAE signed a $5.4 billion currency-swap agreement to stabilize Bahrain's finances.

The Bottom Line

Bahrain faces simultaneous military, economic, and civil liberties pressures as the conflict with Iran continues. With momentum toward bringing Saudi Arabia into the Abraham Accords stalled and Bahraini-Israeli relations not expected to advance significantly in the near term given the conflict environment, Congress and U.S. policymakers face unresolved questions about the future of U.S. Gulf strategy.

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