Jack Adams

Chicago's buoy was a couple of hundred yards astern of Arizona, and I was saddened to look at her.

Canadian Athlete

Refers to movement relative to water vehicles, not land.

Doesn't imply reversing, but moving or positioned at the back.

Describes a position in relation to something else, not a static location.

Often for describing the view from the ship looking back.

Used to express leaving something or someone in the rear.

Primarily used in nautical or aviation context, rarely on land.

Implies slowly backing up or retreating rather than quick motion.

Suggests a need for ample space to move backward safely.

In naval commands, it instructs to go backward or maintain a rear position.

 astern it emulates the first birds actions solving the problem to claim its own reward