9th Maine Volunteer Infantry Regiment The 9th Maine Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War . Service . The 9th Maine Infantry was organized in Augusta , Maine and mustered in for a three year enlistment on September 22 , 1861 . The regiment was attached to Wright ' s 3rd Brigade , Sherman ' s South Carolina Expeditionary Corps , to February 1862 . Fernandina , Florida , Department of the South , to January 1863 . District of Hilton Head , South Carolina , X Corps , Department of the South , to June 1863 . St . Helena Island , South Carolina , to July 1863 . 2nd Brigade , Folly Island , South Carolina , X Corps , July 1863 . 2nd Brigade . Morris Island , South Carolina , X Corps , to August 1863 . 1st Brigade , Morris Island , South Carolina , X Corps , to April 1864 . 1st Brigade , 3rd Division , X Corps , Army of the James , Department of Virginia and North Carolina , to May 1864 . 2nd Brigade , 3rd Division , XVIII Corps , to June 1864 . 3rd Brigade , 2nd Division , X Corps , to December 1864 . 3rd Brigade , 2nd Division , XXIV Corps , to March 1865 . 3rd Brigade , 2nd Division , X Corps , Army of the Ohio , to July 1865 . The 9th Maine Infantry mustered out of service July 13 , 1865 . Detailed service . Left Maine for Washington , D . C . , September 24 , and camped at Bladensburg , Md . , Defenses of Washington , September 26 - October 8 . Moved to Annapolis , Md . , October 8 . Expedition to Port Royal , S . C . , October 21 - November 7 , 1861 . Capture of Forts Walker and Beauregard , Port Royal Harbor , November 7 . Hilton Head November 8 . Duty at Hilton Head until January 29 , 1862 . Expedition to Warsaw Sound January 29 - March 1 . Expedition to Florida February 25 - March 5 . Occupation of Fernandina , Fla . , March 5 , and duty there until January 1863 . Near Fernandina April 10 , 1862 ( Company I ) . Moved to Hilton Head , S . C . , January 1863 , and duty there until June , and at St . Helena Island until July . Moved to Folly Island , S . C . , July 4 . Attack on Morris Island July 10 . Assaults on Fort Wagner , Morris Island , July 11 and 18 . Siege operations against Forts Wagner and Gregg , Morris Island , and Fort Sumter and Charleston July 11 - September 7 . Capture of Forts Wagner and Gregg September 7 . Occupation of Black Island until January 1864 . Veterans on furlough February and March . Non - veterans duty on Morris Island until April , then moved to Gloucester Point , Va . Veterans rejoined April 28 . Butler ' s operations on south side of James River and against Petersburg and Richmond May 4 – 27 . Occupation of City Point and Bermuda Hundred , Va . , May 5 . Port Walthal Junction . Chester Station , May 6 – 7 . Arrowfield Church May 9 . Operations against Fort Darling May 12 – 16 . Drury ' s Bluff May 14 – 16 . Bermuda Hundred May 16 – 27 . Moved to White House , then to Cold Harbor May 27 - June 1 . Cold Harbor June 1 – 12 . Before Petersburg June 15 – 19 . Siege of Petersburg and Richmond June 16 , 1864 to February 1865 . Mine Explosion , Petersburg , July 30 , 1864 . Demonstration north of James River August 13 – 26 . Strawberry Plains , Deep Bottom , August 14 – 18 , Bermuda Hundred August 24 – 25 . In trenches before Petersburg until September 25 . Non - veterans left front September 21 and mustered out September 27 , 1864 . New Market Heights September 28 – 29 . Chaffin ' s Farm September 29 – 30 . Charles City Cross Roads October 1 . Fair Oaks October 27 – 28 . Duty on north side of James until February 1865 . Rejoined brigade at Fort Fisher , N . C . Cape Fear entrenchment ' s February 11 – 12 . Fort Anderson February 18 – 20 . Capture of Wilmington February 22 . Advance on Goldsboro March G - 21 . Occupation of Goldsboro March 21 . Advance on Raleigh April 10 – 13 . Occupation of Raleigh April 14 . Bennett ' s House April 26 . Surrender of Johnson and his army . Duty in North Carolina until July . Casualties . The regiment lost a total of 421 men during service ; 10 officers and 172 enlisted men killed or mortally wounded , 3 officers and 236 enlisted men died of disease .