If you click on e.g. Bombardier, you find the explanation that this job still exists, it's just called Combat Systems Officer. Looking through the list, it can

If you click on e.g. Bombardier, you find the explanation that this job still exists, it's just called Combat Systems Officer. Looking through the list, it can pretty much be divided into "hard manual labor replaced by steam engines" and "old word for an occupation that still exists today".