In September 2007, the rank of "flight corporal" was introduced.

On 1 January 1951, two junior ranks were introduced:

This rank was introduced to distinguish airmen trained to work unsupervised from those who were not.

The rank was introduced in 1950 as part of a new grading system for technicians, wearing a single point up chevron.

The rank of sub-inspector was introduced into the Metropolitan Police in the late 19th century.

The rank was introduced in the Greek military in 1946.

In 1911 the intermediate rank of Superintending Sister was introduced.

Furthermore, several new ranks and insignia changes were introduced.

The rank was introduced in 1825, for the head of the Cape Town police.

The rank, which is non-supervisory, was introduced on 1 January 1951.