Present and available for combat-related duties --
3. Assistant Surgeon and Surgeon (regimental staff); litter bearers and attendants (short-time occasional service for this duty)
4. Courier (short-time occasional service for this duty)
9. Commissary (Commissary Sergeant, Captain & Assistant Commissary). Sometimes a enlisted man assigned as a clerk.
10. Quartermaster (Quartermaster Sergeant, Captain & Assistant Quartermaster). Sometimes a enlisted man assigned as a clerk.
12. Ordnance (Ordnance sergeant)
17. Musicians (regimental drum corps, brass bands - fifer, drummer, kettle drum, bugler, cymbals). Frequently assisted with medical/hospital duties.
19. Adjutant (staff officer or company officer assigned to this duty. Sometimes a enlisted man assigned as a clerk.
21. Burial Party (special details formed after combat for this purpose)
22. Postal Service (short-time occasional service for this purpose)
Present on detail --
1. Teamster/Wagon Driver/Wagon Master (regimental). Usually convalescents and men available for light duty.
3. Medical Department. Enlisted men usually convalescents and men available for light duty.
4. Courier (regimental)
9. Commissary (temporary assignment to regimental wagons). Enlisted men usually convalescents and others available for light duty.
10. Quartermaster (temporary assignment to regimental wagons). Enlisted men usually convalescents and others available for light duty.
16. Druggist = usually Hospital Steward.
18. General Court Martial (generally suspended during active campaigning)
19. Adjutant and clerks (brigade, division, corps and army).
Absent on detail --
1. Teamster/Wagon Driver/Wagon Master (brigade, division, corps and army; sometimes post and department HQ). Usually convalescents and men available for light duty.
2. Butcher/Beef Driver/Cattle Guard (fresh beef supplied "on the hoof"). Normally on duty with the commissary department.
3. Medical Department (hospital ward master, clerk, nurse; sometimes post and hospital duty). Enlisted men usually convalescents and men available for light duty.
4. Courier (brigade, division, corps, army).
5. Provost Guard/Provost Marshal (brigade, division, corps, army, but not regimental).
6. Pioneer Corps (brigade and division; implements included a variety of tools). Includes bridge-building snd other construction details.
8. Signal Corps (enlisted men sometimes transferred to the Signal Corps)
9. Commissary (commissary guards, commissary sergeant, Major and Commissary) Commissary officers temporarily assigned to brigade and division staffs).
11. Recruiting Officers
12. Ordnance (Ordnance officer, clerk or assistant: brigade, division, corps and army; depot and departmental HQ. Sometimes transferred for this purpose. Enlisted men usually convalescents and others available for light duty.
14. Tailor (usually assigned to post duty with others on similar duty)
15. Shoemaker (usually assigned to post duty with others on similar duty)
16. Druggist (usually Hospital Steward). Could be detailed to brigade, division, corps and army, as well as assignment to a post hospital.
19. Adjutant and clerks (sometimes brigade, division, post and departmental HQs, sometimes transferred for this purpose)
20. Guard (regiment, brigade, division, corps and army, as well as post duty). Usually convalescents and men available for light duty.
Free blacks and slaves served in many of the roles listed above, particularly with the quartermaster, commissary, ordnance and medical departments. The position of cook was eliminated from the list largely for this reason. These were not reported on rolls, invisible as far as numbers reported.