| Symbol
|
Name
|
No. of personnel
|
No. of subordinate units
|
Unit leader
|
| XX
|
task group
|
Varies
|
2+ commands
|
captain to admiral
|
| X
|
command
|
50–40000
|
2+ departments
|
lieutenant to captain
|
| II
|
department
|
10–1000
|
2+ divisions or teams
|
ensign to commander and chief to master chief
|
| •••
|
division
|
5–50
|
2+ teams
|
petty officer third class to first class
|
| ••
|
team
|
2–10
|
n/a
|
petty officer third class to first class
|