Ordo

The Ordo, or the section, is the second smallest unit of the Imperium Stellaris Army Legions, and consists of two Manus and their supporting personnel.
The Ordo is usually commanded by a Sergeant, who is not counted as part of the Ordo itself.
The Ordo usually consists of two Recruits, four Privates, four Legionnaires, and two Corporals.