1 Chronicles 27:1
David organized Israel's military according to monthly divisions, each comprising 24,000 armed men rotating service throughout the year. This verse establishes the structure of Israel's standing military organization. The monthly rotation system paralleled the temple's musical and gatekeeper divisions, demonstrating a consistent organizational principle. The specification of 24,000 men per division provided substantial military capacity while distributing service responsibility. This rotation system prevented any single unit from becoming isolated while maintaining continuous military readiness. The systematic organization ensured that the nation could defend itself while allowing most citizens to engage in productive work.