For the tactic of tunneling under an enemy’s works see Mining (military). Mining, undermining, or sapping was a Siege method used since antiquity against a Walled city, Fortress or Castle
Sapping is a term used in siege operations. Any trench excavated under defensive musket or artillery fire that was intended to advance a besieging army's position in relation to the works of an attacked fortification was referred to as a sap. Saps of approach were excavated by brigades of trained sappers or instructed troops of the line who advanced their sap under cover of a sap roller or mantlet by forming a parapet on the engaged side of the trench one gabion at a time and filling it with earth taken from the trench. A sapper is an individual engineer soldier usually in British or Commonwealth military service
References
- Campell, E. S. N (1844). A Dictionary Of The Military Science:Containing an Explanation Of The Principal Terms Used In Mathematics, Artillery, and Fortification, And Comprising The Substance Of The Latest Regulations On Courts Martial, Pay, Pension, Allowances, Etc. A Comparative Table Of Ancient And Modern Geography; Achievements Of The British Army; With An Address to Gentlemen Entering The Army., New edition, London: James Maynard. Retrieved on 2007-11-19. Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. Events 1095 - The Council of Clermont, called by Pope Urban II to discuss sending the First Crusade to the Holy Land
- Ernst, O. H. (:1873). A Manual Of Practical Military Engineering, Prepared For The Use Of The Cadets Of The U. S. Military Academy, And For Engineer Troops.. New York: D. Van Nostrand. Retrieved on 2007-11-19. Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. Events 1095 - The Council of Clermont, called by Pope Urban II to discuss sending the First Crusade to the Holy Land
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