米戦がMk8射撃レーダーで弾着水柱を観測した公式記録はちょっと探せばいくらでも出てくる
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象を撫でるメクラに等しいから、身の程知らずな戦いを挑んで今度も自滅

スリガオのWVは他艦の水柱と容易に区別できたと書いてるし（他弾着は14インチか巡洋艦）、主砲は砲弾飛翔時間後の未来位置に向けて撃つから自艦の弾着予定時間の把握は基本中の基本だし、その時に他艦弾着が混じればconfuse評価になるのも他氏指摘の通り

スリガオのウエストバージニア
The MK 8 radar operators had no difficulty in identifying or spotting our salvos.
It was possible to distinguish between our own and other ship's salvos by the size of the individual splashes.

ワシントンのマーシャル諸島砲撃
Spotting during the daylight phase of the special bombardment was by top spotters, assisted by Mark 8 radar spots when splashes of shells hitting the water were seen in the scope.

ミズーリの日立砲撃
The forward Mark 8 radar (Spot I) was placed in automatic to track the target following the rangekeeper setup** just before opening fire on this target.
Another down 500 was placed on the third salvo and three splashes were observed on the Mark 8 scope at all stations indicating the accuracy of the original range to the target.

アイオワの香取砲撃
From 1531 to 1536, the main battery fired 8 salvos (46 rounds; mean gun range of 14,250 yards) at an AOBA class cruiser. ... Mark 8 radar ranges and spots were used.
Splashes were extremely large and easily seen ... optically and by Mark 8 radar.

NJの野分砲撃
The Mark 8 Radar, operated in low speed precision sweep in Director One, gave excellent results.
The radar ranging is considered remarkable in ... that the target had only stick masts, with no radars or other structures in the tops to act as reflecting surfaces. There was no difficulty discerning splashes for radar spotting.