2nd Connecticut Heavy Artillery Regiment The 2nd Connecticut Heavy Artillery ( originally raised as the 19th Connecticut Infantry ) was a volunteer infantry regiment which served in the Union Army during the American Civil War . History . The 19th Connecticut Infantry was mustered in on July 25 , 1862 . L . W . Wessells was colonel and Elisha S . Kellogg lieutenant colonel . It was sent to Washington , D . C . a few weeks later . In September , Wessells resigned due to ill health and Kellogg was promoted to colonel in his place . The regiment was reorganized as a heavy artillery regiment on November 23 , 1863 , although it fought as infantry throughout the war . In May 1864 , the 2nd was sent to the Army of the Potomac , where it was assigned to the Second Brigade , First Division , VI Corps . It suffered its first loss during skirmish duty along the North Anna River . The 2nd Connecticut ' s first battle was at Cold Harbor on June 1 , 1864 , where it suffered 323 men killed or wounded , including Kellogg dead with two bullets to the head . It managed to capture 300 prisoners and it briefly reach the Confederate breastworks , but Confederate fire was too heavy for the regiment to maintain its position . Hubbard declined promotion to command of the regiment , so Ranald S . Mackenzie was transferred from the engineers to take command . The regiment participated in the beginning stages of the Siege of Petersburg . It was transferred to the VI Corps to participate in the 1864 Shenandoah Campaign , during which it suffered heavy losses . In December , the regiment was sent back to the Army of the Potomac . Mackenzie was promoted to brigadier general on December 28 , and Hubbard was promoted to colonel a week later . It fought in the breakthrough at Petersburg and the Appomattox Campaign . After the surrender at Appomattox Court House , the 2nd was sent to North Carolina to assist Maj . Gen . William T . Sherman in forcing the surrender of the Army of Tennessee . In May , the remaining members of the 14th Connecticut Infantry were assigned to the regiment . After participating in the Grand Review , the regiment garrisoned several forts around Washington . The 2nd Connecticut Heavy Artillery was mustered out on September 5 , 1865 with only 183 original men who served with the 19th Connecticut remaining . Casualties . Killed / died of wounds 12 Officers 242 Enlisted men Died by disease / accident 2 Officers 171 Enlisted men by disease Battle of Cold Harbor . The 2nd Connecticut Heavy Artillery losses suffered at Cold Harbor on the June 1 assault , and held their position for 36 hours . Regimental commander - Colonel Elisha S . Kellogg ( killed ) First Battalion - Major Hubbard Company A C : . . . Company B . . . Company K . . . Company E " Capt . Wadham " ( wounded ) . . . " Capt . Lewis " … … . . . … " Capt . Spencer " … . . . " Capt . Skinner " 17 killed … … . … . . . 18 killed … … . . . … 10 killed … … … … . . . 17 killed 10 died of wounds . . . … 7 died of wounds … . . . 8 dead of wounds … . . . 4 died of wounds 28 wounded … … … . . . 26 wounded … … . . . … . … 19 wounded … . . . … . . . 25 wounded Second Battalion - Major Rice Company L . . . Company C . . . Company H . . . Company G " Capt . Deane " ( wounded ) . . . " Capt . Fenn " . . . " Capt . Berry " . . . " Capt . Gold " 1 killed … … … . . . … . . . 4 killed … … … … . . . 3 killed . . . 1 killed 2 died of wounds … . . . 3 died of wounds … . . . 1 dead of wounds . . . 1 died of wounds 8 wounded … … … . . . 11 wounded . . . 15 wounded . . . 14 wounded Third Battalion - Major Ells ( wounded ) Company M . . . Company D . . . Company I . . . Company F " Capt . Marsh " . . . " Capt . Hosford " . . . " Capt . Burnham " . . . " Capt . Jones " 1 killed … … … … . . . … . 4 killed . . . 2 killed . . . 2 killed - died of wounds … . . . 5 died of wounds . . . 1 died of wounds . . . 1 died of wounds 6 wounded . . . 16 wounded . . . 11 wounded . . . 9 wounded Total loss at Cold Harbor 81 killed 43 died of wounds 189 " recovered " wounded