Trump Again Questions Reliability of Navy's New Carrier Launch S

Hannifin appeared ready for the question. "Yes sir, all of our Nimitz supercarriers have been using steam for decades, and we find it pretty reliable. However, the electromagnetic catapults they're running there [on the Ford] offer some great benefits," he said. "Obviously, any new piece, you've got to work through the bugs, but they offer some benefits, not only to stress and strain on the aircraft to extend service life."

https://www.military.com/daily-news/2018/11/26/trump-again-questions-reliability-navys-new-carrier-launch-system.html