What's the difference between reconnaissance and surveillance?

Reconnaissance


Definition:

  • (n.) The act of reconnoitering; preliminary examination or survey.
  • (n.) An examination or survey of a region in reference to its general geological character.
  • (n.) An examination of a region as to its general natural features, preparatory to a more particular survey for the purposes of triangulation, or of determining the location of a public work.
  • (n.) An examination of a territory, or of an enemy's position, for the purpose of obtaining information necessary for directing military operations; a preparatory expedition.

Example Sentences:

  • (1) Those figures are based on calculations recently made using images from Nasa's lunar reconnaissance orbiter cameras that reveal Lunokhod 2's tracks, the US space agency said.
  • (2) The technique holds essentially to the reconnaissance of these types of fibers in fragments or pellicles of said specimens, stained by the methods of Azan and Weigert-Moore, modified, without needing to take succour in histologic methodology applicable to other preparations, which, according to the A., would cause a break of continuity in the observation, and also in the interpretation of findings, and this is not always easy to be re-instated with ease and precision.
  • (3) Luleå’s Clarion Sense Hotel was my base for the night and before venturing out for some evening reconnaissance I checked out its Skybar restaurant – for some surprisingly tender reindeer, and sea buckthorn sorbet.
  • (4) A new Nimrod maritime reconnaissance aircraft will be scrapped even though £3.6bn – about the amount of money the entire defence budget will be cut by over the next four years – has already been spent on it.
  • (5) After six minutes of reconnaissance, it exploded, briefly.
  • (6) But there were only 15 there at the start because Kevin Magnussen and Daniil Kvyat failed to survive their reconnaissance laps.
  • (7) The Americans are supplying the intelligence, reconnaissance and surveillance air capacity as well as most of the air-to-air refuelling.
  • (8) He was part of the reconnaissance unit of the 25th armoured brigade, which had been doing most of the fighting in Abyan province in the last year.
  • (9) The US has begun reconnaissance flights over Syria in preparation for a possible cross-border expansion of its aerial campaign against Islamic State militants in Iraq.
  • (10) US and British special forces have been deployed in Libya in recent weeks, with drones and intense reconnaissance by American, British and French warplanes.
  • (11) All four followed the instructions of Hussain, who meticulously organised the scheme: from getting the missile and bombs, to reconnaissance missions, to teaching the tenets of radical Islam.
  • (12) Instead, he says, the trip is about reconnaissance: a tentative toe on the Tarmac before a first tilt at the full 26.2-mile distance in 2014.
  • (13) The new high-definition images come from the American space agency Nasa's Mars Reconnaissance Orbiter spacecraft.
  • (14) This war, now almost totally forgotten, was the first in which aircraft went up in reconnaissance to signal enemy positions to artillery batteries; it was also the first to see aerial bombardments, using bombs thrown from Italian aeroplanes and airships.
  • (15) He vanished in 1972 alongside Kevin McKee after the IRA suspected the pair of working as undercover agents for a secret army unity known as the Military Reconnaissance Force, which was carrying out a covert war against the IRA in Belfast during the Troubles’ bloodiest year.
  • (16) On 27 January 1945 a reconnaissance patrol from the Soviet 107th Rifle Division emerged from the snow-laden forest 70km west of Kraków.
  • (17) In recent weeks, French and US reconnaissance flights have flown over Sabratha and Isis bases further east at Sirte, Benghazi and Derna.
  • (18) SAS reservists have traditionally been used as a long-range reconnaissance force but in recent years have served alongside SAS regulars in both Iraq and Afghanistan.
  • (19) We're going to use our unique capabilities, air power, ISR [intelligence, surveillance and reconnaissance] and our training ability to make sure Iraqi forces on one side and Syrian opposition forces on the other side of the border can take the fight to Isil."
  • (20) The RAF has about 10 armed Reaper reconnaissance drones in Afghanistan, and these could be deployed in Iraq or Jordan if the war against Isis looks as if it may be prolonged.

Surveillance


Definition:

  • (n.) Oversight; watch; inspection; supervision.

Example Sentences:

  • (1) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (2) An effective graft-surveillance protocol needs to be applicable to all patients; practical in terms of time, effort, and cost; reliable; and able to detect, grade, and assess progression of lesions.
  • (3) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
  • (4) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
  • (5) The purpose of this paper is to discuss the potential for integrating surveillance techniques in reproductive epidemiology with geographic information system technology in order to identify populations at risk around hazardous waste sites.
  • (6) These deficiencies in the data compromise HIV surveillance based on diagnostic testing, and supplementary bias-free data are needed.
  • (7) A total of 1,268 patients admitted to hospital wards were kept under surveillance by one observer throughout their stay in hospital.
  • (8) Cardiovascular disease event rates will be assessed through continuous community surveillance of fatal and nonfatal myocardial infarction and stroke.
  • (9) Although this operational classification does not produce etiologically homogeneous groups, it is believed to have pragmatic utility with respect to planning targeted surveillance and management strategies.
  • (10) These results clearly show the value of cardiac and neurologic surveillance of patients operated on for carotid artery stenosis.
  • (11) Hemoccult-II (H-II) was performed before 1,244 colonoscopies in patients with previous cancer and before 328 colonoscopies in an adenoma surveillance program.
  • (12) Albrecht said it would represent a great success for the parliament's investigation into mass surveillance of EU citizens.
  • (13) Although the debate in the US has led to some piecemeal reforms – including the USA Freedom Act and modest policy changes – many of the most intrusive government surveillance programs remain largely intact.
  • (14) He is likely to propose increased funding of plant disease experts, the stepping up of surveillance at ports of entry and a Europe-wide "plant passport" system to trace the origins of all plants coming into Britain.
  • (15) Our results indicate that in recipients of bioprosthetic valves, careful follow-up with closer surveillance of valve and cardiac function and earlier prosthetic replacement might contribute to reducing the risk of reoperation.
  • (16) He spent just 22 minutes there before heading out again, the building’s surveillance system revealed.
  • (17) This postoperative surveillance was aimed at discovering benign or malignant neoplastic growth within the remaining large bowel.
  • (18) The 14-year incidence rates (1969-1982) for coronary heart disease, cerebrovascular disease (stroke), total mortality, and cause-specific mortality were compared between 8,006 examined and 3,130 nonexamined men of the Honolulu Heart Program using identical surveillance procedures.
  • (19) Surveillance activity must be performed concurrently so that data can be reported in a timely manner and appropriate action can be taken if necessary.
  • (20) Cluster investigations are expected to be most useful not in etiologic research, but rather in addressing worker concerns and as part of larger surveillance efforts.