Why Donald Trump And The Navy Keep Clashing Over Aircraft Carrier Catapults

You’d think building a multi-billion dollar warship would be straightforward. It isn't. Right now, the U.S. Navy is caught in a high-stakes tug-of-war with the White House over how we launch fighter jets off our newest aircraft carriers.

President Donald Trump wants a return to old-school steam catapults. The Navy, meanwhile, keeps buying parts for the modern Electromagnetic Aircraft Launch System, known as EMALS. Recent contract awards for energy storage and pumps prove the service isn't backing down easily. Read more on a similar issue: this related article.

This clash isn't just about hardware. It's a battle over cost overruns, technological ambition, and what the future of naval warfare should actually look like.

The Steam versus Magnetism Debate

For decades, the Nimitz-class carriers relied on steam-powered catapults. They worked. But they were massive mechanical beasts. They required a web of complex piping, consumed vast amounts of fresh water, and needed a large crew of sailors just to operate them on the flight deck. Additional analysis by CNET explores similar views on this issue.

Enter EMALS. Developed for the Ford-class carriers, the electromagnetic system uses linear induction motors to shoot jets off the deck. Proponents point out clear advantages. EMALS provides smoother acceleration, which puts less structural stress on airframes. It can adjust output precisely, meaning it can launch heavy strike fighters or lightweight drones with equal ease. Best of all, it cuts the required operating crew down significantly at a time when the Navy struggles with recruiting and retention.

Critics, led by the White House, see things differently. Trump has long mocked the technology, famously arguing that steam is simply more reliable. Following a directive signed in August 2026, the administration ordered the Navy to drop EMALS and electromagnetic weapons elevators from future hulls starting with the future USS Doris Miller (CVN-81). The reasoning comes down to a frustration with delayed schedules, ballooning budgets, and overly complex designs.

Why Redesigning the Fleet is a Massive Headache

Ordering a return to steam sounds simple on paper, but engineering reality tells a different story. The Navy hasn't ordered a steam catapult in over twenty years. The supply chain has largely moved on.

Reviving old manufacturing lines takes time and capital. Furthermore, modern Ford-class carriers are deeply optimized for electric power. They rely on electricity for everything from cooking to water purification, shifting away from the extensive steam plumbing found on older ships. Rerouting steam lines back onto these hulls would require an extensive, expensive structural redesign.

General Atomics, the manufacturer behind EMALS, warned that changing course midway through production introduces severe schedule and cost risks. They argue it creates an opening for global competitors, especially given that China's newest carriers are also adopting electromagnetic launch technology.

What Comes Next for Carrier Design

The standoff exposes a fundamental tension in military procurement. Do you stick with proven, mechanical reliability, or do you push forward into advanced tech that requires painful growing pains to master?

The first three Ford-class ships—the USS Gerald R. Ford, the USS John F. Kennedy, and the USS Enterprise—are locked into the electromagnetic path. Whether the fourth ship and its successors ultimately adopt steam or stick with magnets depends on how Congress handles upcoming defense bills and how much political muscle the administration wants to flex.

If you want to understand how the Navy plans to operate in the coming decades, watch the contracts. They tell the real story of what's happening on the ground, far past the political headlines.

Why the US Navy Is Really Going Back to Steam

This video breaks down the technical differences between steam catapults and electromagnetic launch systems on modern aircraft carriers.