"CV 45" sweat

A yellow dog is a marshaller, an operator who guides aircraft maneuvering on the deck of an aircraft carrier. The name comes from the yellow vest they wear to be more visible during operations. The term “yellow dog” is said to come from the fact that French sailors, learning skills on Anglo-Saxon aircraft carriers, compared the orders regularly given by these personnel for aircraft maneuvers to the barking of a dog: Wave off! = Clear the deck !