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 ?
Bailey, "We See All": A History of the 55th Strategic Reconnaissance Wing, 1947-19671 [Tucson, AZ]: 55th ELINT Association Historian, 1982, p.
A single SAC unit operating in theater set the standard for intelligence acquisition: Between its first operational mission in August 1964 and the last one in June 1975, the 350th Strategic Reconnaissance Squadron flew 3,466 Lightning Bug sorties.
Developmental challenges troubling the planned strategic reconnaissance aircraft, the Republic XF-12 Rainbow, opened up the field to a modified bomber platform.
In August 1949, SAC Headquarters promulgated a reconnaissance directive that was little changed from the strategic reconnaissance practices of 1945.
In July 1948, the USAF expanded the 55th RG to make it the first of four planned SAC strategic reconnaissance wings.
The 311th Air Division was disestablished in November 1949, and the two independent reconnaissance squadrons that had been assigned to the Air Division, along with a host of new squadrons, were assigned to two new Strategic Reconnaissance Wings--the 5th SRW and the 9th SRW.
Two months later the squadron was renamed the 31st Strategic Reconnaissance Squadron (SRS) to reflect its new mission.
George Stratemeyer with bomber and strategic reconnaissance assets consolidated under FEAF Bomber Command (Provisional).
A"), these 91st Strategic Reconnaissance Wing (SRW) aircraft were flown by Tactical Air Command crews for their first few months of operations.
As the U-2s continued their covert reconnaissance missions with the CIA and operational Air Force strategic reconnaissance squadrons, a number of early U-2A aircraft were utilized in various atmospheric and meteorological research projects under the control of the Air Force's Cambridge Research Laboratory (AFCRL).
1957--(June 11) the USAF's 4028th Strategic Reconnaissance (Weather) Squadron receives the Air Force's first six U-2A for operational use.
Sept) the USAF's 4080th Strategic Reconnaissance Wing receives five U-2A aircraft, modified for HASP air sampling including atmospheric gases and particulate sampling devices.

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