Within a matter of days, Washington produced three snapshots of the hidden bill from the Iran war. The Pentagon signed a $22.9 billion contract to expand Tomahawk production. The Navy dispatched the USS George Washington from the Western Pacific to relieve the USS Abraham Lincoln after a punishing deployment. Then, President Donald Trump said he had scaled back military exercises with South Korea because Seoul declined to help in Iran and was not paying enough for U.S. protection.
The first two developments explain why Trump is right to demand more from America’s allies. The third shows how not to collect the bill.
This is not an abstract burden-sharing debate. The Lincoln deployed in November and, by last week, had spent more than eight months away and 208 continuous days at sea. Navy leaders acknowledged the significant strain on service members and their families. The Tomahawk agreement is designed to last seven years and raise annual production above 1,000 missiles. The bill for sustained American power is paid in sailors’ health, ship availability, munitions inventories, and industrial capacity.
Alliances cannot be one-way insurance policies. An ally that benefits from American forces, extended deterrence, intelligence, and logistics cannot assume that every crisis beyond its neighborhood is exclusively Washington’s problem. Trump has spent years forcing allies to confront that imbalance, and the Lincoln’s deployment and the Tomahawk ledger show why the argument is more than rhetoric.
That does not mean every ally must send combat forces into every American operation. Alliances are not blank checks in either direction. A partner can decline one mission and still owe an answer to the broader burden it leaves the United States carrying. The relevant question is what alternative contribution would leave the combined force stronger rather than merely registering political displeasure.
But the annual exercises on the Korean Peninsula are not a gratuity handed to Seoul. Freedom Shield trains American as well as South Korean forces. It rehearses combined command and control, all-domain operations, interoperability, rapid response, and the transition of wartime operational control. U.S. Forces Korea describes the exercise as a means of strengthening readiness, deterring aggression, and maintaining stability across Northeast Asia.
Cutting that training because Seoul declined to join a Middle Eastern operation does not make South Korea pay. It makes American and allied forces less practiced against North Korea. At the same moment, sending the George Washington westward to relieve the Lincoln draws an Indo-Pacific asset into a Middle Eastern recovery cycle. The administration is charging a Middle Eastern bill to an Indo-Pacific deterrence account.
Every major deployment has an opportunity cost. A carrier sent to one theater is unavailable in another. A missile fired today becomes a production requirement tomorrow. A sailor kept at sea for another month is a readiness and retention bill that eventually comes due. Burden-sharing should reduce those costs, not create a second deficit somewhere else.
Seoul was entitled to decline a combat role in Iran. That does not end the burden-sharing conversation; it changes the form of payment. Washington should ask for another contribution with measurable military value: greater direct cost-sharing, expanded munitions production, shipyard and maintenance capacity, logistics and basing support, sanctions enforcement, air and missile defense, or a larger share of missions in its own region.
The principle should be simple: allied burden-sharing must add capacity or reduce the American burden. It should not transfer American risk from one theater to another.
The White House could formalize that principle with an allied contribution ledger. For every major contingency, partners would be offered a menu of contributions rather than a binary demand to join the fight or be punished elsewhere. Each contribution would be judged against three questions: Does it add deployable capacity? Does it shorten American recovery or replenishment time? Does it reduce the need to pull forces from another theater? If the answer is yes, it is real burden-sharing. If the result is simply less combined training, it is punishment paid for by the joint force.
Trump’s transactional instinct is useful because alliances are both transactions and commitments. But a good transaction preserves the asset that makes repayment valuable. An alliance is not charity. Deterrence is not a debt-collection agency.
IF SOUTH KOREA WON’T DEFEND HORMUZ, TRUMP SHOULD PULL THE NUCLEAR UMBRELLA
South Korea may owe the U.S. more. The joint force should not pay the invoice.
The Lincoln and the Tomahawk contract show why America needs its allies to carry more of the load. The lesson is to collect more capability from them, not to subtract capability from ourselves. Trump is right to send allies the bill. Korea’s deterrence is the wrong currency.
Burak Oktenli is an independent researcher based in Washington, D.C. He holds a bachelor’s degree in computer science and engineering from the University of South Florida and an MBA, and is completing a master’s of professional studies in applied intelligence at Georgetown University. His writing focuses on defense strategy, alliance burden-sharing, military technology, and the governance of autonomous systems.