Home State: Connecticut
Branch of Service: Infantry
Unit: 8th Connecticut Infantry
He was in Company K, 8th Connecticut Infantry.
On the Campaign
He was wounded in action at Antietam on 17 September 1862.
The rest of the War
He was treated at the Locust Spring Hospital at Sharpsburg, had his right leg amputated, and was discharged for disability 14 April 1863 at Smoketown, MD.
References & notes
Casualty information from Nelson1, who also has him as Henry C. Bun, with service details from Ingersoll.