unmanned working

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• Unmanned combat air vehicle — A MQ 9 Reaper during a training mission An unmanned combat air vehicle (UCAV) or combat drone is an unmanned aerial vehicle (UAV) that is designed to deliver weapons (attack targets) without an onboard pilot. Currently operational UCAVs are under …   Wikipedia

• unmanned — [[t]ʌ̱nmæ̱nd[/t]] 1) ADJ: usu ADJ n Unmanned vehicles such as spacecraft do not have any people in them and operate automatically or are controlled from a distance. ...a special unmanned spacecraft. ...unmanned rockets. 2) ADJ If a place is… …   English dictionary

• unmanned — un|manned [ˌʌnˈmænd] adj 1.) an unmanned spacecraft does not have a person inside it 2.) if a place is unmanned, nobody is working there ▪ an unmanned railway crossing …   Dictionary of contemporary English

• unmanned — [ʌnˈmænd] adj an unmanned building, vehicle, or machine does not have anyone working in it or on it …   Dictionary for writing and speaking English

• History of Unmanned Combat Air Vehicles — The history of Unmanned Combat Air Vehicles (UCAV) describes the development and history of Unmanned Combat Air Vehicles (UCAV) and is closely tied to the general history of unmanned aerial vehicles (UAV) since UCAVs are a specialized development …   Wikipedia

• Joint Unmanned Combat Air Systems — Joint Unmanned Combat Air Systems, or J UCAS, was the name for the joint U.S. Navy/U.S. Air Force unmanned combat air vehicle procurement project. The two vehicles involved in the project were the Boeing X 45 and Northrop Grumman X 47. J UCAS is… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …   Universalium

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• Military Affairs — ▪ 2009 Introduction        Russia and Georgia fought a short, intense war in 2008, fueling global fears of a new Cold War. On August 7 Georgia launched an aerial bombardment and ground attacks against its breakaway province of South Ossetia.… …   Universalium

• Remotely operated underwater vehicle — Remotely operated vehicle redirects here. For vehicles operating out of water, see remote control vehicle. ROV at work in an underwater oil and gas field. The ROV is operating a subsea torque tool (wrench) on a valve on the subsea structure. A… …   Wikipedia