Battery "G" 1st Regiment of Artillery was a light artillery battery that served in the Union Army during the American Civil War.
The battery was stationed at Fort Pickens, Florida, January to May 1861.
It moved to Fort Hamilton, New York Harbor, May 13–26, then to Washington, D.C., July 8 where it was attached to Richardson's Brigade, Tyler's Division, McDowell's Army of Northeastern Virginia, to August 1861.
Richardson's Brigade, Division of the Potomac, to October 1861.
Artillery Reserve, Army of the Potomac (temporarily attached to Batteries E and K, 1st U.S.
2nd Brigade, Artillery Reserve, V Corps, Army of the Potomac, to September 1862.
2nd Regular Brigade, Artillery Reserve, Army of the Potomac, to June 1863.
2nd Brigade, Horse Artillery, Army of the Potomac, to June 1864.
1st Brigade, DeRussy's Division, XXII Corps, to October 1865.
Reconnaissance from Alexandria on Fairfax, Richmond and Mt.
Occupation of Fairfax Court House July 17.
Savage's Station and Peach Orchard June 29.
White Oak Swamp and Glendale June 30.