>>625
>ソース貼っつけて
>>621
>改修後付けが不可能→SPY-6
できる
https://seapowermagazine.org/surface-warfare-director-spy-6-radar-back-fit-to-flight-ii-ddgs-a-few-years-out/
Surface Warfare Director: SPY-6 Radar Back-Fit to Flight II DDGs ‘A Few Years Out’ 2020年8月の記事

https://breakingdefense.com/2022/01/raytheon-to-start-back-fitting-destroyers-with-spy-6-radar/
Raytheon to start backfitting destroyers with SPY-6 radar
2022年1月の記事　予算付いてバックフィット事業開始へ