Well, take the ammo elevators (AWEs), for starters..
And problems with the radar, and toilets that can't flush, and not enough beds for a full crew complement. To top it all off, the planners somehow didn't design their newest carrier to be able to operate their newest carrier-based fighter. Honestly, if the USN didn't have even bigger messes on their hands with the LCS, the Zumwalt, and the Constellation, we'd have a much lower opinion of Gerald R. Ford.and the arresting wire system.