Antoine-Henri Jomini

Antoine-Henri Jomini was a Swiss military theorist whose influential writings sought general principles for successful military operations, especially the concentration of force against decisive points.

Lines of operation: Routes connecting an army’s base of operations to its objectives. Jomini used these routes to explain how armies could preserve freedom of movement and threaten decisive points.
Lines of communication: Routes through which military forces maintain contact, supplies, and movement between positions. Jomini warned that operations become dangerous when an army’s communications are exposed or severed.
Napoleonic Wars: A series of European conflicts from 1803 to 1815 involving Napoleonic France and shifting coalitions. Jomini drew lessons from campaigns in these wars and wrote amid their transformation of warfare.
Carl von Clausewitz: A Prussian general and military theorist known for analyzing war as a political act shaped by uncertainty and friction. Clausewitz is often contrasted with Jomini for resisting fixed rules and stressing war’s political character.
Antoine-Henri Jomini's influence on military education: The adoption and teaching of Jomini’s military ideas in nineteenth-century officer education. His clear principles and campaign diagrams made his work useful in formal instruction.
Base of operations: The territory, fortress, or logistical position from which an army conducts a campaign. Jomini treated a secure base as the starting point for sound operational planning.
Strategic envelopment: A maneuver that turns an enemy’s flank or threatens its rear at the operational level. It exemplifies Jomini’s effort to combine maneuver with pressure on an enemy’s decisive position.
French Revolutionary Wars: European conflicts from 1792 to 1802 that followed the French Revolution and reshaped military mobilization. The mass armies and rapid campaigns of this era formed the background to Jomini’s theories.
On War: Carl von Clausewitz’s unfinished treatise on war, published posthumously in 1832. Its account of uncertainty and political purpose provides a major counterpoint to Jomini’s principles.
Operational art: The planning and conduct of campaigns that connect tactical actions to strategic objectives. Jomini’s focus on campaigns helped establish concepts later associated with this level of war.

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