# BAS

CEFR C2 · Noun

Source: https://englishreference.com/word/bas
Updated: 2026-05-07

## Definition

the basic parts of a military force, like soldiers and equipment, that are needed to fight a war. It is a technical term used when planning how many people or supplies are required for a mission.

For teachers: the fundamental components of a military force, including personnel and materiel, required for combat operations. Often used in logistical and strategic planning contexts to quantify force requirements.

## Examples

- The general reviewed the BAS before the mission.
- Planners must calculate the BAS to ensure the infantry has enough ammunition and medical support for the duration of the deployment.
- The strategic assessment concluded that the current BAS was insufficient to maintain a prolonged defensive posture against a mechanized adversary, necessitating an immediate increase in armored reinforcements.

## Usage notes

- Typically functions as a collective uncountable noun in military logistics; rarely pluralized.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.