A breakthrough occurs when an offensive force has broken or penetrated an opponent's

defensive line In gridiron football, a lineman is a player who specializes in play at the line of scrimmage. The linemen of the team currently in possession of the ball are the offensive line, while linemen on the opposing team are the defensive line. A numb ...

, and rapidly exploits the gap. Usually, large force is employed on a relatively small portion of the front to achieve this. While the line may have held for a long while prior to the breakthrough, the breakthrough marks a relatively small time-frame where the pressure on the defender leads him to "snap" in a very short time span. As the first defensive unit breaks, the adjacent units suffer adverse results from this (spreading panic, additional defensive angles, threat to supply lines). Since they were already pressured, this leads them to "snap" as well, causing a

domino Dominoes is a family of tile-based games played with gaming pieces, commonly known as dominoes. Each domino is a rectangular tile, usually with a line dividing its face into two square ''ends''. Each end is marked with a number of spots (also ca ...

-style collapse of the defensive system. The defensive force thus evaporates at the breakthrough point, giving the attacker the option to rapidly move troops into the gap, exploiting the breakthrough in width (by attacking enemy units at the edge of the breakthrough, so widening it), in depth (advancing into enemy territory towards strategic objectives), or a combination of both.

Terminology

The

OED The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a co ...

records "break through" used in a military sense from the

trench warfare Trench warfare is a type of land warfare using occupied lines largely comprising military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery. Trench warfare became a ...

times of 1915, when the ''Observer'' used the phrase in a headline. The Online Etymology Dictionary dates the metaphoric use of "breakthrough" - meaning "abrupt solution or progress" - from the 1930s, shortly after

Joseph Stalin Joseph Vissarionovich Stalin (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet political leader who led the Soviet Union from 1924 until his death in 1953. He held power as General Secreta ...

popularized the

Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...

equivalent (russian: перелом, translit=perelom) in a pep-piece on the " Great Breakthrough" published in November 1929, dense with military jargon and encouraging industrialization during the Soviet Union's first Five-Year Plan.

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Carl von Clausewitz Carl Philipp Gottfried (or Gottlieb) von Clausewitz (; 1 June 1780 – 16 November 1831) was a Prussian general and military theorist who stressed the "moral", in modern terms meaning psychological, and political aspects of waging war. His mos ...

, ''

On War ''Vom Kriege'' () is a book on war and military strategy by Prussian general Carl von Clausewitz (1780–1831), written mostly after the Napoleonic wars, between 1816 and 1830, and published posthumously by his wife Marie von Brühl in 1832. I ...

'' *

Heinz Guderian Heinz Wilhelm Guderian (; 17 June 1888 – 14 May 1954) was a German general during World War II who, after the war, became a successful memoirist. An early pioneer and advocate of the " blitzkrieg" approach, he played a central role in t ...

, ''Achtung, Panzer!'' Military strategy {{mil-stub

Terminology

See also

References

Sources