Commanding Officer on the Antietam Campaign:
Col William G. Ward
This Regiment's Chain of Command:
Corps - Middle Department (8th Army Corps)
Division - Harpers Ferry Garrison
Brigade - 4th Brigade, HF Garrison
Unit history
The regiment mustered at Washington DC with 9 companies in June 1862 at the start of its second 3-month term of Federal service. They were assigned to Harpers Ferry shortly after and extended their term in August.