
A combat engineer (also called pioneer or sapper) is a type of soldier who performs
military engineering
Military engineering is loosely defined as the art, science, and practice of designing and building military works and maintaining lines of military transport and military communications. Military engineers are also responsible for logistics ...
tasks in support of land forces combat operations. Combat engineers perform a variety of
military engineering
Military engineering is loosely defined as the art, science, and practice of designing and building military works and maintaining lines of military transport and military communications. Military engineers are also responsible for logistics ...
,
tunnel
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
and
mine warfare tasks as well as
construction
Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and ...
and
demolition
Demolition (also known as razing, cartage, and wrecking) is the science and engineering in safely and efficiently tearing down of buildings and other artificial structures. Demolition contrasts with deconstruction, which involves taking a ...
duties in and out of combat zones.
Combat engineers facilitate the mobility of friendly forces while impeding that of the enemy. They also work to assure the survivability of friendly forces, building fighting positions,
fortification
A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
s, and
road
A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation.
There are many types of ...
s. They conduct
demolition
Demolition (also known as razing, cartage, and wrecking) is the science and engineering in safely and efficiently tearing down of buildings and other artificial structures. Demolition contrasts with deconstruction, which involves taking a ...
s missions and clear minefields manually or through use of
specialized vehicles. Common combat engineer missions include construction and breaching of trenches, tank traps and other obstacles and
fortification
A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
s; obstacle emplacement and
bunker
A bunker is a defensive military fortification designed to protect people and valued materials from falling bombs, artillery, or other attacks. Bunkers are almost always underground, in contrast to blockhouses which are mostly above ground. T ...
construction; route clearance and reconnaissance;
bridge
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
and
road
A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation.
There are many types of ...
construction or destruction; emplacement and clearance of
land mine
A land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automatic ...
s; and combined arms breaching. Typically, combat engineers are also trained in infantry tactics and, when required, serve as provisional infantry.
Combat engineer organization

Combat engineers play a key role in all armed forces of the world. They are invariably found closely integrated into the force structure of divisions, combat brigades, and smaller fighting units.
Combat support
In the United States Army, the term combat support refers to units that provide fire support and operational assistance to combat elements. Combat support units provide specialized support functions to combat units in the following areas
* Chemi ...
formations
In many countries, combat engineers are members of a broader military engineering corps or branch. Other nations have distinct combat engineering corps or branches; they are separate from other types of military engineers. The Danish military engineers' corps, for example, is almost entirely organized into one regiment of combat engineers, simply named
Ingeniørregimentet
The Engineer Regiment ( da, Ingeniørregimentet) is a regiment in the Royal Danish Army with base in Skive in Jutland. The soldiers of this regiment are trained in skills such as shooting, blasting, setting up camp, and much more. The engineer t ...
("The Engineering Regiment").
Combat arms
Combat arms (or fighting arms in non-American parlance) are troops within national armed forces who participate in direct tactical ground combat. In general, they are units that carry or employ weapons, such as infantry, cavalry, and artillery ...
formations
Combat engineer battalions are usually a part of a
brigade combat team
The brigade combat team (BCT) is the basic deployable unit of maneuver in the U.S. Army. A brigade combat team consists of one combat arms branch maneuver brigade, and its assigned support and fire units. A brigade is normally commanded by ...
. During the
War in Afghanistan
War in Afghanistan, Afghan war, or Afghan civil war may refer to:
*Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC)
* Muslim conquests of Afghanistan (637–709)
*Conquest of Afghanistan by the Mongol Empire (13th century), see al ...
and the 2003–2011
Iraq War
{{Infobox military conflict
, conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق ( Kurdish)
, partof = the Iraq conflict and the War on terror
, image ...
, the U.S. Army tasked its combat engineers with
route clearance missions designed to counter rising threats of
IEDs. To increase the effectiveness of these units, EOD and mechanic teams were typically embedded with the combat engineer platoon. Due to rising IED threats, the U.S. Army sends some combat engineers to complete Explosive Ordnance Clearance Agent training.
Special operations
Special operations (S.O.) are military activities conducted, according to NATO, by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment". Special operations may include ...
units
Individual combat engineers are often assigned as a component of both covert and overt
direct action
Direct action originated as a political activist term for economic and political acts in which the actors use their power (e.g. economic or physical) to directly reach certain goals of interest, in contrast to those actions that appeal to othe ...
teams. For example, the
active duty
Active duty, in contrast to reserve duty, is a full-time occupation as part of a military force. In the United Kingdom and the Commonwealth of Nations, the equivalent term is active service.
India
The Indian Armed Forces are considered to be ...
US Army Special Forces and its two
reserve components, the
19th SFG and
20th SFG of the US
Army National Guard
The Army National Guard (ARNG), in conjunction with the Air National Guard, is an organized Militia (United States), militia force and a Reserve components of the United States Armed Forces, federal military reserve force of the United States A ...
, employ combat engineer sergeants designated by
MOS 18C. A
Green Berets
The United States Army Special Forces (SF), colloquially known as the "Green Berets" due to their distinctive service headgear, are a special operations force of the United States Army.
The Green Berets are geared towards nine doctrinal m ...
Operational Detachment Alpha, more commonly known as an "A-Team", typically consists of 12 men, two of whom are combat engineer sergeants.
Terminology
A general combat engineer is often called a ''
pioneer'' or ''
sapper
A sapper, also called a pioneer or combat engineer, is a combatant or soldier who performs a variety of military engineering duties, such as breaching fortifications, demolitions, bridge-building, laying or clearing minefields, preparing fie ...
'', terms derived respectively from the
French
French (french: français(e), link=no) may refer to:
* Something of, from, or related to France
** French language, which originated in France, and its various dialects and accents
** French people, a nation and ethnic group identified with Franc ...
and
British armies. In some armies, ''pioneer'' and ''sapper'' indicate specific
military rank
Military ranks are a system of hierarchy, hierarchical relationships, within armed forces, police, intelligence agencies or other institutions organized along military lines. The military rank system defines dominance, authority, and responsibi ...
s and levels of combat engineers, who work under fire in all seasons and may be allocated to different corps, as they were in the former Soviet Army, or they may be organized in the same corps.
Geomatics
Geomatics is defined in the ISO/TC 211 series of standards as the "discipline concerned with the collection, distribution, storage, analysis, processing, presentation of geographic data or geographic information". Under another definition, it ...
(surveying and cartography) is another area of military engineering but is often performed by the combat engineers of some nations and in other cases is a separate responsibility, as was formerly the case in the Australian Army. While the officers of a combat engineer unit may be professionally certified civil or mechanical engineers, the non-commissioned members are generally not.
Sapper
In the British, Indian, Canadian, Australian, and New Zealand armies, a sapper is a soldier who has specialized combat engineer training. The term "sapper" in the U.S. Army refers to a person who either possesses the combat engineer military occupational specialty or who has graduated from the Sapper Leader Course, more commonly called "Sapper School." In Sapper School, volunteers from the ranks of combat engineers and other military occupational specialties (most of whom serve in the
combat arms
Combat arms (or fighting arms in non-American parlance) are troops within national armed forces who participate in direct tactical ground combat. In general, they are units that carry or employ weapons, such as infantry, cavalry, and artillery ...
) undergo training in combat engineer and infantry battle drills, expedient demolitions, threat weapons, unarmed combat, mountaineering, and water operations. Some of the training in this 28-day course, arguably one of the most challenging in the U.S. Army, features covert infiltration techniques or survival skills.
In the
Israeli Defense Forces
Israeli may refer to:
* Something of, from, or related to the State of Israel
* Israelis, citizens or permanent residents of the State of Israel
* Modern Hebrew, a language
* ''Israeli'' (newspaper), published from 2006 to 2008
* Guni Israeli ( ...
, sapper (פלס) is a military profession code denoting a combat engineer who has graduated from various levels of combat engineering training. Sapper 05 is the basic level, Sapper 06 is the general level, Sapper 08 is the combat engineer commander's level, and Sapper 11 is the combat engineer
officer
An officer is a person who has a position of authority in a hierarchical organization. The term derives from Old French ''oficier'' "officer, official" (early 14c., Modern French ''officier''), from Medieval Latin ''officiarius'' "an officer," ...
level. All IDF sappers are also trained as
Rifleman
A rifleman is an infantry soldier armed with a rifled long gun. Although the rifleman role had its origin with 16th century hand cannoneers and 17th century musketeers, the term originated in the 18th century with the introduction of the rif ...
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