Trump's been railing against the electromagnetic catapults on the Navy's newest carriers for years. Now, he's pushing a return to steam.

Trump's order comes months after the Navy said the Ford's new launch and landing systems helped it launch aircraft faster than Nimitz-class carriers. US Navy photo by Mass Communication Specialist 2nd Class Mike Shen Trump is pushing a switch back to steam-powered catapults for a future Ford-class carrier. Trump has long criticized the Ford class' electromagnetic aircraft-launch system. The change could add billions in costs and force a major redesign, a defense expert said. After years of…