US Paralysis On Iran Crisis Owes To Navy Capacity Gaps

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However, a US military or hybrid response has been slow in coming, largely because of a lack of readily available American assets in the Middle East. Much of the active US Navy (USN) is either deployed in the Indo-Pacific, Caribbean or undergoing maintenance.
In the event of multiple simultaneous crises, the United States requires a range of options to respond within days, particularly at sea. With American shipbuilding in decline, a renewed focus on maritime revival has become critical to US force projection and deterrence.
Starting on December 28, Iranian citizens launched nationwide protests amid economic deterioration and poor resource management. The Islamic Republic has been strained by a range of socioeconomic issues, including poor water management, US-led sanctions and a collapsing currency that millions of citizens now on the streets view as intolerable.
As the protests gained momentum, echoing the unrest of 2009, Iran's rulers have moved swiftly to violent suppression. The IRGC and Basij militia units have used live fire, while Tehran imposed an internet blackout to hide the brutality of their measures from the outside world.
Iranian diaspora activists have lobbied for intervention as estimates of protestors killed in less than two weeks range from as low as 3,000 to as many as 12,000, according to Iran International.
The US has condemned the Iranian regime's repression, and President Donald Trump has signaled a shift toward more hard-line policies against Tehran, including a possible US military intervention. Trump has reportedly been presented with a wide array of strike options and hybrid or informational warfare tools to pressure Iran's ruling clerics into either negotiations or further weakening the regime.
Israel could also join any kinetic action taken by the US. Contingency plans to move US and British forces away from Al Udeid Air Base in Qatar have been implemented amid concerns of potential IRGC retaliation in the region.
Washington would have to calculate a military response against Tehran, given limited assets, and the risk of IRGC retaliation. The Patriot system, originally used in Israel during the 12 Day War, has been returned to South Korea, and much of the Central Command's naval rotation is currently in the Caribbean.

America's THAAD system also saw a quarter of its interceptors expende during the war.

Big carrier gaps

A major factor behind the slow US response is the scarcity of naval assets available within the US Central Command's (CENTCOM) area of responsibility. After two years of regional conflicts in the Middle East requiring sustained deployments, much of the US Navy's active fleet is grounded for maintenance, while nearly one-quarter of the fleet is assigned to the Caribbean.
The USS Iwo Jima Amphibious Ready Group is currently deployed to the Caribbean under the 4th Fleet (SOUTHCOM) as part of Operation Southern Spear, with USS Tripoli based in Sasebo, Japan, to support 7th Fleet operations in the Indo-Pacific.
Only three aircraft carriers (CVNs) are currently deployed – the USS Gerald R Ford, USS Abraham Lincoln and USS George Washington), with the latter two operating in the Indo-Pacific as of January 13. The George H W Bush and USS Theodore Roosevelt may be deployed to relieve the USS Gerald R Ford and USS George Washington.
The redeployment of the USS Gerald R Ford from the Eastern Mediterranean to the Caribbean underscores growing gaps in US force projection. Any military action against Iran would require extensive naval missile-defense capabilities, including Aegis systems, to counter potential ballistic missile retaliation.
According to NewsNation, the USS Lincoln was set to redeploy from the South China Sea towards the Middle East as of January 14. Even so, the transit is expected to take at least a week, during which the death toll among Iranian protestors will likely rise.