He didn't know what to make of their rank insignia.

Rank insignia as such was unknown until well into the 18th century.

Their members have the same rank insignia and titles as the rest of the Army.

There is no single standard system of rank insignia in use, but certain ranks are common.

Recruits of all services do not wear any rank insignia.

Police service number wear under the name tag and a rank insignia on their right arm.

The same rank insignia was used similarly by both armies.

The rank insignia have been around since the beginning.

The rank insignia for a police inspector is three stars, similar to an Army captain.

In the navy, rank insignia is placed on the sleeves.