Field Manual / Ranks / First Sergeant
First Sergeant
RANK1SG
US Army rank, NATO code OR-8. Abbreviation: 1SG.
| NATO | OR-8 |
| US Army | First Sergeant (1SG) |
| British Army | Company Sergeant Major |
| Ukraine | старший майстер-сержант |
In conversation
Report to the First Sergeant at the command post.
The 1SG is your point of contact for this task.
The First Sergeant is the senior NCO of the company.
Ask the 1SG about the duty roster for tomorrow.
Address the First Sergeant as First Sergeant, not as Sergeant.