15th Missouri Infantry (U)

== Regimental History and Service Record ==
Organized at St. Louis, Mo., August and September, 1861. Moved to Jefferson City, Mo., September, 1861. Attached to Fremont's Army of the West to January, 1862. 5th Brigade, Army of Southwest Missouri, to March, 1862. 1st Brigade, 2nd Division, Army of Southwest Missouri, to May, 1862. 1st Brigade, 5th Division, Army of Mississippi, to September, 1862. 35th Brigade, 11th Division, Army of Ohio, to October, 1862. 35th Brigade, 11th Division, 3rd Army Corps, Army of Ohio, to November, 1862. 2nd Brigade, 3rd Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to October, 1863, 1st Brigade, 2nd Division, 4th Army Corps, to April, 1864. 3rd Brigade, 2nd Division, 4th Army Corps, to June, 1865. 2nd Brigade, 2nd Division, 4th Army Corps, to August, 1865. Dept. of Texas to December, 1865.
SERVICE.--Fremont's Campaign against Springfield, Mo., October 4-November 8, 1861. Moved to Rolla, Mo., and duty there until February, 1862. Curtis' Campaign in Missouri and Arkansas against Price February and March. Advance on Springfield February 2-11. Pursuit of Price into Arkansas February 14-29. Battles of Pea Ridge, Ark., March 6-8. March to Batesville April 5-May 3. Moved to Cape Girardeau, Mo., May 11-22; thence to Pittsburg Landing, Tenn., May 23-26. Siege of Corinth May 27-30. Pursuit to Booneville May 31-June 6. At Rienzi until August 26. Moved to Cincinnati, Ohio, August 26-September 14; thence to Louisville, Ky., September 17-19. Pursuit of Bragg into Kentucky October 1-16. 
* October 8, 1862 - Battle of Perryville, Kentucky 
March to Nashville, Tenn., October 16-November 7. Duty at Nashville until December 26. Advance on Murfreesboro December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty near Murfreesboro until June. Expedition toward Columbia March 4-14. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. Fairfield June 27-29. Estill Springs July 2. 
* July 11-14, 1863 - Reconnoissance from Cowan, Tennessee to Anderson's Crossroads, Tennessee
* Occupation of Middle Tennessee until August 16. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** September 19-September 20, 1863 - Battle of Chickamauga, GeorgiaNot originally referenced on unit homepage
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Orchard Knob November 23-24.
** Mission Ridge November 25.
** Pursuit to Graysville November 26-27.
* March to relief of Knoxville, Tenn., November 28-December 8.
* Operations in East Tennessee December, 1863, to February, 1864.
* Dandridge January 16-17, 1864.
* Moved to Chattanooga, thence to Cleveland, Tenn., and duty there until May, 1864. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** May 9-13, 1864 - Demonstration on Dalton, Georgia
** Buzzard's Roost Gap May 8-9. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** May 17, 1864 - Engagement at Adairsville, Georgia
** Near Kingston May 18-19. 
** Near Cassville May 19. 
** Advance on Dallas May 22-25, 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Pine Hill June 11-14. 
** Lost Mountain June 15-17. 
** Assault on Kenesaw June 27. 
** Ruff's Station July 4. 
** Chattahoochie River July 5-17. 
** Buckhead, Nancy's Creek, July 18. 
** Peach Tree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Flank movement on Jonesboro August 25-30. 
** Battle of Jonesboro August 31-September 1. 
** Lovejoy Station September 2-6. 
* Operations against Hood and Forest in North Georgia and North Alabama September 29-November 3. 
Nashville Campaign November and December. Columbia, Duck River, November 24-27. Spring Hill November 29. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Columbia December 19. Pulaski December 25. March from Pulaski to Decatur, Ala., and duty there until April, 1865. Moved to Blue Springs April 1-5, thence to Nashville, Tenn., April 19, and duty there until June. Moved to New Orleans June 15-23, and to Port Lavaca, Texas, July 18-24. Duty there until October. Moved to Victoria October 27 and duty there until December. Mustered out December 25, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 8 Officers and 107 enlisted men killed and mortally wounded 
* 1 Officer and 106 enlisted men killed by disease
* Total 222	None
Fox 	
* Fox lists this unit as:
** 79th on the list of units with losses based on duration of the entire term of service of the unit (1st of the Missouri troops)	None
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 701, 703, 704, 705, 706, 707, 715, 733, 860, 862, 866, 1329)
* (Page 12)
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