
Trump's directive to strip EMALS from the USS Doris Miller would cost billions and reverse years of engineering. The Navy must present plans in 60 days.
President Donald Trump ordered the Navy to remove the electromagnetic launch system from its next Ford-class carrier and replace it with older steam catapults, a directive that would cost billions and reverse years of engineering work on the service's most advanced warships.
The memo, dated Thursday, gives the Pentagon and the Navy two months to present plans to strip the Electromagnetic Aircraft Launch System, or EMALS, from the USS Doris Miller, the fourth carrier in the class. It also orders the replacement of the ship's electromagnetic weapons elevators. The mandate follows years of Trump publicly criticizing the new technology, which he called "not good" in a 2017 Time magazine interview. "You're going to goddamned steam," he said at the time.
The directive would leave the first three Ford-class carriers – the USS Gerald R. Ford, the forthcoming USS John F. Kennedy and USS Enterprise – untouched. Redesigning an already finalized ship for a major system swap presents enormous technical and cost challenges. General Atomics, which builds EMALS, said the work on the Doris Miller's catapults and arresting gear was already half complete. "Changing course now would introduce significant cost, schedule, and integration risks," the company said in an email.
The order arrives as the Navy struggles to fill its ships with enough sailors. EMALS aboard the USS Ford cut the crew needed to operate the catapults from about a dozen to two. Reverting to steam, which requires more personnel, runs against the service's recruiting challenges. At the start of the year, the Navy had roughly 20,000 unfilled posts across the fleet.
The Pentagon faces its own funding pressures. Defense Secretary Pete Hegseth estimated last month that the cost of the Iran war had risen to $37.5 billion, as Republicans prepared a $95 billion package to fund the military. The House narrowly adopted both measures. The Senate must act when it returns in September. Trump has proposed a $1.5 trillion defense budget, which Hegseth called a "generational investment."
The electromagnetic system's advantages include faster launch speeds, easier maintenance, and a smaller crew footprint. In February, the Navy said EMALS allowed the USS Ford to launch and recover aircraft at a higher rate than the older Nimitz-class ships. The newest Chinese aircraft carriers also use electromagnetic catapults. France has said it plans the same system for its new carrier.
General Atomics said the decision to remove EMALS from the Doris Miller "warrants careful reconsideration." Trump's own memo noted that constant design changes have "resulted in cost growth, delays, and cancellations" in Navy shipbuilding.
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