Organized at Brattleboro and mustered in February 18, 1862. Left State for New York City March 6. Sailed on Steamer "Wallace" for Ship Island March 10, arriving April 5. Attached to Phelps' 1st Brigade, Dept. of the Gulf, to December, 1862, Artillery, 2nd Division, 19th Army Corps, Dept. of the Gulf, to June, 1863. Artillery, 3rd Division, 19th Army Corps, to September, 1863. Artillery, District of LaFourche, Dept. of the Gulf, to January, 1864. Artillery, 2nd Division, 19th Army Corps, Army of the Gulf, to July, 1864. Artillery, 1st Division, 19th Army Corps, to August, 1864.
SERVICE.--Duty at Ship Island until May 16, 1863. Moved to Camp Parapet, Defenses of New Orleans, La., May 16, and duty there until January 17, 1863. (Center Section at Fort Pike May 6 to June 4, 1862.) Duty at New Orleans until May 19, 1863. Expedition to Lake Pontchatrain April 18-21. Moved to Baton Rouge, La., May 19. Advance on Port Hudson, La., May 21-24. Siege of Port Hudson May 24-July 9. Surrender of Port Hudson July 9. March to Baton Rouge July 11-12. Return to Port Hudson July 23, and duty there until September 1. Ordered to New Orleans, La., September 1. Sabine Pass, Texas Expedition, September 3-11. Moved to Brashear City, thence to Berwick City and to Fort Bisland September 16-23. Return to Brashear City September 28, and duty there until March 3, 1864. Moved to Franklin March 3. Red River Campaign March 10-May 22. Advance from Franklin to Alexandria March 14-26. Battle of Sabine Cross Roads April 8. Pleasant Hill April 9. Monett's Bluff, Cane River Crossing, April 23. Alexandria April 30-May 10. Retreat to Morganza May 13-20. Mansura May 16. Yellow Bayou May 18. Duty at Morganza until July. Moved to Baton Rouge July 3. thence ordered home July 28. Mustered out August 10, 1864. Recruits transferred to 2nd Vermont Battery.
Battery lost during service 3 Enlisted men killed and mortally wounded and 51 Enlisted men by disease. Total 54.