United States Regiments & Batteries > Connecticut
| 
 1862 
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|
| July 25 – September 9  | 
Organized at Litchfield | 
| September 15 | Left State for Washington, D.C. Attached to Slough’s Brigade, District of Alexandria, Defenses of Washington | 
| 
 1863 
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|
| January 12 | Guard and patrol duty at Alexandria, Va. attached to Tyler’s Command, Artillery, District of Alexandria, Military District of Washington | 
| April | Attached to 2nd Brigade, DeRussy’s Division, 22nd Army Corps | 
| May | Garrison duty at Fort Worth | 
| November | At redoubts near Fort Lyon, Cos. B, F and G at Fort Ellsworth | 
| November 23 | Designation of Regiment changed to 2nd Connecticut Heavy Artillery | 
