Debrief

It's important to debrief subjects after an experiment.

American authorities are still unsure of the circumstances surrounding the crews' detention, Carter said, in part because they have not yet been able "to fully debrief the sailors."

But, for whatever combination of reasons - and, to be fair, he'd been blasted in the face by shrapnel, was probably badly concussed, and, indeed, would actually remember nothing from the battle after he'd been hit when he was later debriefed - aside from two destroyers left behind to help Hiei, the rest of the Japanese forces withdrew north just before 0300 in the morning.