A regiment is a military unit that has been in use by the United States Army since its inception. Derived from the concept originating in European armies, a regiment was historically commanded by a colonel, and consisted of ten companies, for a total of approximately 1,000 soldiers. Confusingly, the terms "regiment" and "battalion" were used interchangeably at this time; it was not until later that a battalion was defined as a sub-unit of a regiment. The regiment fulfilled both administrative and tactical functions and was the principal maneuver unit of the US Army until being superseded in the 20th century by the division.[1]

The regiment was retained as a unit in the US Army until after World War II when the Army reorganized under the Pentomic model. In order to give soldiers a sense of unit identity, the Combat Arms Regimental System (CARS) was adopted, later replaced with the U.S. Army Regimental System (USARS). The role of the regiment is currently fulfilled by the brigade and brigade combat team.[1]

Civil War

The 21st Michigan Infantry, a regiment serving in the Western Theater.

During the American Civil War the regiment was considered the fundamental unit of recruitment, training and maneuver of the Union Army.[2] However, at the start of the war the Regular Army or United States Army (USA) consisted of just ten regiments of infantry, four regiments of artillery, and five mounted regiments. While the regular army was expanded to meet the challenge of the war, thousands more regiments were raised by the individual states as United States Volunteers (USV). Although modeled after the regular army, there were a number of differences between Regular and Volunteer regiments.

Traditionally, recruitment in Regular Army regiments was handled on an individual unit basis: officers and non-commissioned officers (NCOs) were sent out into the area around the regimental headquarters and home station to recruit specifically for their regiment. The General Recruiting Service set up in 1822, with depots in major cities to funnel new recruits to the regiments, supplemented but could not wholly replace this system. Efforts during the Civil War to revitalize the GRS and add incentives to encourage enlistment in the Regular Army increased its size but could not overcome most Americans' desire to serve in the Volunteers.[3]

Volunteer regiments were raised under the authority of their state governor, who encouraged localities to form regiments. This was considered acceptable for what was originally considered to be a short war and also created strong bonds among the men who joined.[4] Governors were also responsible for appointing USV regiments' field officers, and confirming the appointment of junior officers who were elected by the men of their company. In a large sense these appointments were for political purposes as they could be used to strengthen support for local politicians and allowed for the speedy organization of so many new regiments.[4][5] It also resulted in many incompetent USV officers with no military experience being appointed, especially early in the war.[6] Eventually, as casualties mounted and their constituents' complaints increased, governors took to issuing commissions on the basis of battlefield rather than political competence.[7]

In both instances, once formed a regiment struggled to replenish their ranks as officers sent home to recruit replacements had to contend with governors who preferred to raise new regiments to meet their quotas and the allure of serving in a newly created unit.[4] A regiment might start with 1,000 soldiers, but without even having engaged in combat after six months it might only be able to muster 600 or 700 on account of desertions, illness, leave, detachment on special duty, and other factors. By the time it had seen action, a veteran regiment averaged a little over 400 soldiers, a situation not only accepted as a matter of course but tactically advantageous for its maneuverability and ease of command.[8] One of the benefits offered by the government to induce a long-serving regiment to reenlist was to allow it the official designation of a "veteran" volunteer regiment.[4] Serious efforts were made to replenish regiments back to their full strength, of which Wisconsin did better than the other states, but it remained a clumsy and unpredictable system.[8] Eventually the result for many regiments was that attrition continued to reduce their numbers until they were deemed combat ineffective, whereupon they would be disbanded or consolidated with another unit. Such a fate was deeply resented by the proud survivors of the original regiment and could lead to friction between them and the new unit.[4][8]

The regimental level was where most logistical work was carried out, and each regiment was authorized a number of staff officers to carry out these functions. Unlike with higher formations where such officers were supposed to come from their respective War Department bureaus, most regimental staff officers were drawn from the junior officers of the line units, while most staff NCOs were drawn from the most experienced NCOs of the regiment. While those with years in the Regular Army were well-versed in their craft, many USV staff officers were inexperienced in their new role and so less effective, although experience gained over time eventually improved their performance.[9][10] Additionally, while a regiment was authorized staff officers and NCOs to carry out logistical and administrative duties, there were no enlisted personnel assigned specifically to help them carry out their duties. Such duties were instead carried out by line soldiers detailed from their unit or hired civilian workers. The assignment of soldiers to support duty had the unfortunate effect of reducing their unit's combat effectiveness, while civilian contractors tended to be harder to find and retain, were less reliable and more insubordinate.[9][10]

In addition to their authorized staff, each regiment in the Union Army was allowed to appoint an ordained Christian minister as their chaplain. Chaplain selection was done by the regimental commander, which allowed for some abuse; in one instance a regiment's "chaplain" was actually a French cook.[11] Regiments operating under the U.S. Ambulance Corps were also assigned a number of ambulances to take over the role of casualty evacuation from the regimental musicians.

Infantry Regiment

Before the war, the ten original infantry regiments of the Regular Army (1st through 10th) were all authorized ten companies and a regimental staff consisting of a colonel, lieutenant colonel, two majors, an adjutant, quartermaster, quartermaster sergeant, sergeant major, a principal or chief musician and two musicians.[12] This gave them an authorized aggregate strength of up to 878 soldiers.[13]

After the war started, nine new infantry regiments (11th through 19th) were created in 1861 but organized differently from the "old" regiments. Each "new" regiment was authorized a colonel and lieutenant colonel and between two and three battalions, with a battalion to consist of eight companies each and its own staff. The regimental staff included an adjutant, quartermaster/commissary, drum major, two principal musicians and a band of twenty-four musicians. Supposing a full three-battalion regiment, the aggregate strength would be between 2,020 and 2,452 depending on the size of the battalions.[14]

Volunteer regiments were authorized ten companies with a colonel, lieutenant colonel, major, adjutant, quartermaster, surgeon, assistant surgeon, chaplain, sergeant major, quartermaster sergeant, commissary sergeant, hospital steward, two principal musicians and twenty-four musicians for a band. The regimental musicians were later removed and a second assistant surgeon added.[15] With full-strength companies a Volunteer regiment had an aggregate strength of 1,046 soldiers.[13]

The regimental color guard, charged with protecting the regimental colors, was to consist of a sergeant and eight corporals chosen by the colonel.[16] Positioned in the center of the regiment when deployed in line for battle, it was considered a great honor to be picked for the color guard. The regiment's colors had great significance as it embodied the regiment's history and accomplishments. Many had also been constructed and presented to the regiment by their local community's women and so represented their homes. As it was the most visible marker of a regiment's position, the color guard was also a dangerous position as the enemy would direct their fire at it.[17]

Cavalry Regiment

Prior to the Civil War, the Regular Army had five regiments of mounted soldiers, divided between cavalry, dragoons and mounted infantry. Dragoons were cavalry who primarily fought dismounted; mounted riflemen fought similarly but were armed with rifles instead of carbines or muskets.[2] The 1st and 2nd Dragoons, the Regiment of Mounted Riflemen, and the 1st and 2nd Cavalry regiments, despite their different mission profiles, were similarly organized. Each regiment consisted of ten companies and was commanded by a colonel, lieutenant colonel and two majors. The regimental staff included an adjutant, quartermaster (both chosen from among the regiment's lieutenants), sergeant major, quartermaster sergeant, chief musician and two buglers.[12]

In July 1861, Congress authorized the addition of a sixth mounted regiment, the 3rd Cavalry, and organized it (and all Volunteer cavalry regiments) along different lines. Besides a colonel and lieutenant colonel there were three majors, each in command of a battalion with its own staff composed of two squadrons and each squadron composed of two companies, for a total of twelves companies. The regiment's staff included an adjutant and a regimental quartermaster/commissary (both chosen from among the regiment's lieutenants), and two chief buglers.[18][19]

The next month, Congress made the controversial decision to redesignate the Regular Army's mounted regiments, naming them all Cavalry and numbering them based on their seniority (1st-6th). The decision was not popular among the former dragoons and mounted riflemen who saw the decision as erasing their storied histories. They were allowed to maintain some of their traditions however, such as the continued wearing of their old uniforms (with their distinctive facings) until they wore out.[19]

A year later, the organization of all cavalry regiments were streamlined by removing the permanent battalion and squadron structure and the staff who went along with it. Each regiment consisted of twelve companies (renamed troops) and its command and staff personnel included a colonel, lieutenant colonel, three majors, a surgeon, assistant surgeon, adjutant, quartermaster, commissary, sergeant major, quartermaster sergeant, commissary sergeant, two hospital stewards, a saddler sergeant, chief trumpeter, and chief farrier/blacksmith. As before, the regimental adjutant, quartermaster and commissary were chosen from among the regiment's lieutenants.[19][20] A final organizational change was issued in April 1863, removing the chief farrier/blacksmith and adding a veterinary surgeon to the regimental staff.[19][21]

Artillery Regiment

During the Civil War, artillery in the Union Army was divided into three categories. Heavy artillery controlled large-calibre artillery and were typically used to garrison forts or set up in entrenchments. When in the field they had charge over the siege train and were armed, equipped, drilled and employed as infantry.[22] Field artillery were equipped with lighter-calibre artillery that could be pulled by horses to provide artillery support for infantry. Field artillery soldiers were primarily armed with pistols and cutlasses and except for the drivers and Chiefs of Pieces they would march on foot alongside the cannons. They could ride on the limbers and caissons but this was reserved for emergencies as doing so weighed down the horses.[22][23] Horse artillery was the same as field artillery except all soldiers were mounted on horses, making them highly mobile and able to support cavalry with artillery fire.[22][23]

The four artillery regiments of the Regular Army (1st, 2nd, 3rd and 4th) were all organized similarly with twelve companies. The regiment was commanded by a colonel, with a lieutenant colonel, two majors, an adjutant, quartermaster, sergeant major and quartermaster sergeant; the adjutant and quartermaster were chosen from among the unit's lieutenants.[12] The regiments were originally organized as heavy artillery, with two companies per regiment equipped as field artillery, but within the first year of the war they had largely transformed into a combination of field and horse artillery.[23]

In May 1861, Congress authorized the creation of a 5th Artillery Regiment which was organized differently from the first four. While also containing twelve companies these were termed batteries. The regiment's command and staff consisted of a colonel, lieutenant colonel, three majors, an adjutant, quartermaster, sergeant major, commissary sergeant, quartermaster sergeant, two principal musicians, a hospital steward and a band of twenty-four musicians. Volunteer artillery regiments raised for Federal service were organized along the same lines as the 5th Artillery.[24]

One significant difference between artillery and the other combat arms was that, while infantry and cavalry regiments were both tactical and administrative units, artillery regiments were strictly administrative and exerted no battlefield control over their constituent batteries. For this reason many of the Regular regiments left these positions unfilled during the war.[25] Likewise, the states raised over two hundred individual batteries for federal service, versus approximately forty-six regiments and three battalions. All but ten of the individual batteries were organized as field artillery, while only eleven of the regiments and two of the battalions were organized as field artillery, the rest being heavy artillery. This composition was mimicked in the United States Colored Troops' fourteen artillery regiments, with all of but one formed as heavy artillery.[24]

See also

References

  1. 1 2 Encyclopedia of Military Science. (2013). United States: SAGE Publications. p. 1208-1209
  2. 1 2 Eicher, J., Eicher, D. (2002). Civil War High Commands. United States: Stanford University Press. p. 65
  3. ↑ Shrader, C. R., Newell, C. R. (2011). Of Duty Well and Faithfully Done: A History of the Regular Army in the Civil War. United States: Nebraska. p. 44-48
  4. 1 2 3 4 5 Staff Ride Handbook for the Battle of Perryville, 8 October 1862. (2005). Fort Leavenworth, KS: Combat Studies Institute, US Army Command and General Staff College. p. 2-4
  5. ↑ Eicher, p. 30-31
  6. ↑ Shrader & Newell, p. 53
  7. ↑ Fisher, E. F. (2001). Guardians of the Republic: A History of the Noncommissioned Officer Corps of the U.S. Army. United Kingdom: Stackpole Books. p. 111
  8. 1 2 3 Griffith, P. (2001). Battle Tactics of the Civil War. United Kingdom: Yale University Press. 91-94
  9. 1 2 United States Army Logistics, 1775-1992: An Anthology. (1997). United States: Center of Military History, U.S. Army. p. 197-198
  10. 1 2 Shrader & Newell, 69-72
  11. ↑ Shrader & Newell, p. 53
  12. 1 2 3 Heitman, F. B. (1903). Historical Register and Dictionary of the United States Army. United States: University of Illinois Press. p. 596-597
  13. 1 2 Mahon, John; Danysh, Romana (1972). Army Lineage Series: Infantry, Part 1: Regular Army. United States: Office of the Chief of Military History. p. 26.
  14. ↑ General Orders. (1861). United States: The Department. General Orders No. 16
  15. ↑ Callan, J. F. (1864). The Military Laws of the United States, Relating to the Army, Volunteers, Militia, and to Bounty Lands and Pensions, from the Foundation of the Government to 4 July, 1864: To which are Prefixed the Constitution of the United States (with an Index Thereto,) and a Synopsis of the Military Legislation of Congress During the Revolutionary War. United States: G.W. Childs. p. 467
  16. ↑ Casey, S. (1862). Schools of the soldier and company. Instructions for skirmishers and music. United States: D. Van Nostrand. p. 16
  17. ↑ Barney, W. L. (2011). The Oxford Encyclopedia of the Civil War. Spain: Oxford University Press, USA. p. 127
  18. ↑ Callan (1864), p. 473-474
  19. 1 2 3 4 Urwin, G. J. W. (2003). The United States Cavalry: An Illustrated History, 1776-1944. United States: University of Oklahoma Press. p. 111-113
  20. ↑ Callan (1864), p. 534
  21. ↑ Callan (1864), p. 564
  22. 1 2 3 Kautz, A. V. (1864). Customs of Service for Non-commissioned Officers and Soldiers, as Derived from Law and Regulations, and Practised in the Army of the United States: Being a Handbook for the Rank and File of the Army, Showing what are the Rights and Duties, how to Obtain the Former and Perform the Latter, and Thereby Enabling Them to Seek Promotion and Distinction in the Service of Their Country. United States: J.B. Lippincott & Company. p. 60-61
  23. 1 2 3 Shrader & Newell (2011), p. 265-266
  24. 1 2 McKenney, J. E. (2007). The Organizational History of Field Artillery 1775-2003. United States: Center of Military History, United States Army. p. 53-57
  25. ↑ Newell (2011), p. 267
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