Sub-subunit or sub-sub-unit is a subordinated element below platoon level of company-sized units or sub-units which normally might not be separately identified in authorization documents by name, number, or letter.

Fireteam A fireteam or fire team is a small military sub-subunit of infantry designed to optimize " bounding overwatch" and " fire and movement" tactical doctrine in combat. Depending on mission requirements, a typical fireteam consists of four or f ...

s, squads,

crew A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard. The word has nautical resonances: the tasks involved ...

section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sig ...

s and patrols are typically sub-subunits.

Types of sub-units

; Legend: * *

References

{{Military units Military units and formations by size