Go see what the Japanese Navy has just put to sea, it's a "destroyer" with a flight deck 820 feet long! Eight hundred and twenty feet of flight deck? Right, that's a destroyer like I'm a wee bairn.
The Izumo is a baby flattop from which the Japanese plan to operate copters and, who knows, maybe some F-35 jump jets when those become available. Actually, war copters like the Cobra and Viper are considerable weapon platforms.
See an Associated Press article for details. See also an article in The Diplomat for additional insights.