2nd Ohio Heavy Artillery 2nd Ohio Heavy Artillery was an artillery regiment that served in the Union Army during the American Civil War . Service . The 2nd Ohio Heavy Artillery was organized at Camp Dennison near Cincinnati , Ohio and Covington , Kentucky . Companies were mustered in for three years service under the command of Colonel Horatio G . Gibson . Company A mustered in 20 July 1863 ; Company B mustered in 5 August 1863 ; Company C mustered in 26 August 1863 ; Companies D , H , I , K , and L mustered in 7 September 1863 ; Companies E and M mustered in 9 September 1863 ; Company G mustered in 19 September 1863 ; and Company F mustered 23 September 1863 . The regiment served by detachments until May 1864 . It was attached to District of Kentucky , Department of the Ohio , to May 1864 . Cleveland , Tennessee , Department of the Ohio , to October 1864 . 2nd Brigade , 4th Division , XXIII Corps , Department of the Ohio , to February 1864 . 2nd Brigade , 4th Division , District of East Tennessee , Department of the Cumberland , to March 1865 . 1st Brigade , 4th Division , District of East Tennessee , to August 1865 . The 2nd Ohio Heavy Artillery mustered out 23 August 1865 . Detailed service . Company A moved to Covington , Ky . 19 August 1863 , then to Fort Jones , Muldraugh ' s Hill , Ky . 11 October , and duty there until 10 January 1864 . At Fort DeWolf , near Shepherdsville , until May . Moved to Cleveland , Tenn . , 24 May . Company B moved to Covington Barracks 19 August , then to Bowling Green , Ky . , 5 September , and duty there until 26 May 1864 . Moved to Charleston , Tenn . , 26 May . Company D moved to Muldraugh ' s Hill , Ky . , and duty at Fort Saunders until 26 May 1864 . Garrison at Tyner ' s Station until 9 October 1864 , then joined Regiment at Loudoun , Tenn . Company E moved to Muldraugh ' s Hill and garrison Fort Boyle until 26 May 1864 . Moved to Cleveland , Tenn . , 26 May 1864 . Company F moved to Bowling Green , Ky . , and duty there until 26 May 1864 . Moved to Charleston , Tenn . , 26 May . Company G on duty at Bowling Green until 26 May 1864 . Moved to Charleston , Tenn . , 26 May . Company H moved to Munfordville , Ky . 11 October 1863 , and garrison duty at Battery McConnell until 26 May 1864 . Moved to Cleveland , Tenn . , 26 May . Company I moved to Shepherdsville and duty at Fort DeWolf until 10 January 1864 , and at Fort Nelson until 26 May . Moved to Cleveland 26 May 1864 . Company K moved to Munfordville 11 October and duty there until 26 May 1864 . Moved to Charleston , Tenn . , 26 May . Company L moved to Frankfort , Ky . , 11 October 1863 , and duty at Fort Boone until December . At Battery Simons , Munfordville , until 26 May 1864 . Moved to Cleveland , Tenn . , 26 May . Company M moved to Munfordville , Ky . , 18 September 1863 , and garrison duty at Fort Willich until 10 January 1864 , and at Fort Taylor , Camp Nelson , until 26 May . Moved to Cleveland , Tenn . , 26 May . Duty at Cleveland , Tenn . , until October 1864 ( Companies A , E , H , I , L , and M ) . At Charleston , Tenn . , until August 1864 ( Companies B , C , F , G , and K ) ; then at Cleveland until October . Action with Wheeler near Cleveland 17 August . Charleston 19 August . Pursuit of Wheeler 22 – 28 August . Moved to Loudoun , Tenn . , 9 October , and duty there until 18 November . Morristown 13 November . Russellsville 14 November . Tillson ' s movement to Strawberry Plains , Tenn . , 16 – 17 November . Flat Creek 17 November . At Knoxville until 7 December . Ammon ' s Expedition to Bean ' s Station 7 – 29 December ( Company A on duty at Knoxville until 9 January 1865 . ) At Camp Rothrock and Fort Saunders until August . Company B on duty at Knoxville , Camp Rothrock , and Fort Saunders until August . Companies C , D , E , and F at Knoxville , Camp Rothrock , and Loudoun until August . Company G at Nashville until 1 February 1865 , and at Athens until August . Skirmish at Athens 16 February 1865 ( detachment ) . Sweetwater 16 February ( detachment ) . Company H at Strawberry Plains until August . Company I at Fort Gilpin , Knoxville , until August . Company K at Clinch Gap until 21 December 1864 , at Fort Lee Knoxville , and at Greenville until August . Company L at Knoxville until August 1865 . Company M at Athens until August 1865 . Casualties . The regiment lost a total of 176 men during service ; 1 officer and 2 enlisted men killed or mortally wounded , 3 officers and 170 enlisted men died of disease .