The Shirane class as Japan's aviation stepping stone

How should the Shirane-class helicopter destroyers be understood?

As capable destroyers with an enlarged aft aviation complex that helped Japan rebuild shipborne aviation experience.

Unlike later full-length-deck Japanese ships, Shirane placed weapons forward and a large helicopter hangar and flight deck aft. The panel therefore accepts the helicopter-destroyer label rather than treating the class as a disguised aircraft carrier. Its value lay in combining destroyer functions with a much larger aviation component than an ordinary escort. That made it a practical institutional and operational step toward Japan's later aviation-capable surface ships.