But then, how would he himself as a submarine skipper, the way he was six years ago, perform under the harsh light of an admiral's eye?

During his staff's preliminary work an angry lieutenant commander, one of the four submarine skippers, had openly criticized the operation.

If there's one thing a submarine skipper hates it's putting to sea without his torpedoes.

He also cleaned out the "deadwood", replacing many cautious or unproductive submarine skippers with younger (somewhat) and more aggressive commanders.

The popular image of oil in a war zone is from the movies, the submarine skipper sighting the "nice fat tanker" in the periscope crosshairs.

The submarine skipper was turning, coming back to an easterly heading.

The decision not to focus the echo-ranging signals was a conscious attempt to make the submarine skipper think he was still undetected.

Dealey was one of the leading submarine skippers but, having completed five war patrols, he was showing signs of strain.

Hitler had told Raeder in July that he would never call a submarine skipper to account if he sank an American ship "by mistake."

The older submarine skipper thus achieves his revenge.