skos:altLabel | - 18th Marine Regiment
- 2nd Pioneer Battalion
- 2nd Engineer Battalion
- 1st Battalion, 18th Marines
- 2nd Divisional Construction Engineer Detachment
- 2nd Engineer Battalion (Marines)
- 3rd Divisional Construction Engineer Detachment
- 4th Divisional Construction Engineer Detachment
- First Battalion, Eighteenth Marines
- United States Marine Corps Combat Engineers
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