Retrenchment (military)

This article is about fortification. For other uses, see Retrenchment (disambiguation).

Map of St. Clement's Retrenchment between the Santa Margherita Lines and the Cottonera Lines in Cospicua, Malta

Retrenchment is a technical term in fortification, where it is applied to a secondary work or series of works constructed in rear of existing defences to bar the further progress of the enemy who succeeds in breaching or storming these. An example was in the siege of Port Arthur in 1904.

A retrenchment can also be referred to as an entrenchment.^[1]

References

↑ Spiteri, Stephen C. (2010). "Illustrated Glossary of Terms used in Military Architecture". ARX Supplement. MilitaryArchitecture.com: 641. Retrieved 30 December 2015.

Fortifications

Ancient history

Post-classical history

Modern history

18th century and earlier	Abwurfdach Bastion Blockhouse Breastwork Canal Caponier Casemate Cavalier Counterguard Counterscarp Couvreface Coupure Covertway Crownwork Entrenchment Flèche Gorge Hornwork Lunette Orillon Ostrog Outwork Place-of-arms Polygonal fort Presidio (Spanish America) Punji sticks Ravelin Redan Redoubt Retrenchment Sandbag Scarp Sconce Schanze Sea fort Station Star fort Tenaille

19th century	Barbed wire Barbette Border outpost Bunker Coastal artillery Gun turret Land mine Martello tower Outpost Trench warfare Sangar Wire obstacles

20th century	Admiralty scaffolding Air-raid shelter Barbed tape Blast shelter Blast wall Border barrier Bremer wall Concertina wire Defensive fighting position British "hedgehog" road block Czech hedgehog Dragon's teeth Electric fence Fallout shelter Fire support base Flak tower Hardened aircraft shelter Hesco bastion Main Line of Resistance Revetment Sentry gun Spider hole Underground hangar

By topography

By role

By design

See also: Category

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