reconnaissance

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reconnaissance

, reconnoissance
a preliminary inspection of an area of land before an engineering survey is made

Reconnaissance

 

in geodesy, inspection and examination of terrain to select the position of astronomical and geodetic reference points for topographical surveys. Reconnaissance work is done in conjunction with calculations of the elevation of geodetic signals, which are set up at reference points and ensure visibility between points. The calculations take into account the curvature of the earth, relief characteristics, and local obstacles to the taking of measurements.

reconnaissance

[ri′kän·ə·səns]
(engineering)
A mission to secure data concerning the meteorological, hydrographic, or geographic characteristics of a particular area.
(ordnance)
A mission undertaken to obtain, by visual observation or other detection methods, information about the activities and resources of an enemy or potential enemy.

reconnaissance

A general examination or survey of the main features, or certain specific features, of a region usually as a preliminary to a more detailed survey. The various types of reconnaissance include photo reconnaissance, radar reconnaissance, and visual reconnaissance.
References in periodicals archive ?
The Protecting Individuals From Mass Aerial Surveillance Act would apply to both manned and drone flights, and provide rules on government aerial surveillance.
com/kidnap-girlsll-boko-haram-activities-islamic-scholar-sheikh/) Naija Mayor , an independent online news source, that security agents should encircle the Sambisa forest and use aerial surveillance, which would lead to the capture of the abductors.
Though the US military has withdrawn from Iraq s cities and towns, it still provides the country s security forces with assistance and training, especially in aerial surveillance and logistics.
Parris said he thought such high-powered aerial surveillance was a movie fantasy before Rutan said it could be put into real-life practice and began working on applying the technology.
Police and military teams launched a search after the Indonesian Casa-212 military aircraft - carrying 13 passengers and five crew - disappeared during an aerial surveillance mission on Thursday.
State-of-the-art cameras, high-definition technology, and aerial surveillance devices were used to capture the breathtaking pictures found in this book.
He was tracked by aerial surveillance after he fled the war-ravaged capitalMogadishu.
The effective deployment of the unmanned aerial vehicle is able to transform a small tactical unit into an all-seeing machine of war, while supplying aerial surveillance and intelligence that can keep patrols and convoys out of harm's way.
A SPY drone carrying out aerial surveillance could be the latest weapon in the war on Mersey-side's yobs.
This cross ocean beer hunt involved satellites, sonar, unmanned aerial surveillance aircraft and high-tech stealth buoys.
In the weeks leading up to Anaconda, intelligence officers thought they had learned everything they could about the Shahikot Valley from satellite and other aerial surveillance.
After several days of aerial surveillance, Curts (FFG 38) intercepted one of the boats, and the frigate's embarked Coast Guard boarding team found about 14.