- Security domain
- Land
- What it is
- division · formation (level 5)
- Founded
- 1941
- Acknowledged by
- Wikipedia: 1st Marine Division (wikipedia)
- Active headcount
- 22,000 estimated, medium confidence
- Headcount source
- Wikipedia: 1st Marine Division
- Website
- www.1stmardiv.marines.mil
- Identifiers
- factbase.org/org/Q458P5S071 · Q163669