>319の検索結果から、下記情報の方がよっぽど有用
グラントが味方巡洋艦から誤射されてるのが、トレーサーの軌跡で分かったという手記
ソースとしてこっちを採用すべき
照明弾じゃ無いこともよく理解できるし

リンクも張る
なんでこんな事ができないヤツがいるのかな

https://www.usni.org/magazines/naval-history-magazine/2010/october/second-salvo-surigao-strait

From the clearly visible tracers,
I could see that the rounds were being directed at the USS Albert W. Grant (DD-649),
a destroyer in our squadron that earlier had been hit and damaged by gunfire―some of it friendly fire from our cruisers―
during the retirement from the torpedo attack.