Active radar homing

•  Global Positioning System

  The Global Positioning System (GPS) is a U.S. space-based global navigation satellite system. It provides reliable positioning, navigation, and timing services to worldwide users on a continuous basis in all weather, day and night, anywhere on or near the Earth which has an unobstructed view of four or more GPS satellites. GPS is made up of three segments: Space, Control and User.

  

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•  MISTRAM

  MISTRAM (MISsile TRAjectory Measurement) was a high-resolution tracking system used by the United States Air Force to provide highly detailed trajectory analysis of rocket launches. A "classic" ranging system used since the 1960s uses radar to time a radio signal's travel to a target (in this case, the rocket) and back. This technique is accurate to approximately 1%.

  

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•  Inertial navigation system

  An Inertial Navigation System (INS) is a navigation aid that uses a computer, motion sensors and rotation sensors to continuously calculate via dead reckoning the position, orientation, and velocity (direction and speed of movement) of a moving object without the need for external references. It is used on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft.

  

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•  Wire-guided missile

  A wire-guided missile is a missile that is guided by signals sent to it via thin wires connected to both the missile and its guidance mechanism, which is located somewhere near the launch site. As the missile flies, the wires are reeled out behind it. This guidance system is most commonly used in anti-tank missiles, where its ability to be used in areas of limited line-of-sight make it useful, while the range limit imposed by the length of the wire is not a serious concern.

  

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•  SACLOS

  SACLOS (short for Semi-Automatic Command to Line of Sight) is a second-generation method of missile guidance. In SACLOS, the operator has to continually point a sighting device at the target while the missile is in flight. Electronics in the sighting device and/or the missile then guide it to the target. There are two common ways SACLOS can work:

  

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•  MCLOS

  MCLOS (short for Manual Command to Line of Sight) is a first-generation method for guiding guided missiles. With an MCLOS missile, the operator must track the missile and the target simultaneously and guide the missile to the target. Typically the missile is steered with a joystick, and its path is observed through a periscope-type telescopic sight.

  

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•  Semi-active radar homing

  Semi-active radar homing, or SARH, is a common type of missile guidance system, perhaps the most common type for longer range air-to-air and surface-to-air missile systems. The name refers to the fact that the missile itself is only a passive detector of a radar signal – provided by an external (“offboard”) source — as it reflects off the target. NATO brevity code for a semi-active radar homing missile launch is Fox One.

  

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•  Missile guidance

  Missile guidance refers to a variety of methods of guiding a missile or a guided bomb to its intended target. The missile's target accuracy is a critical factor for its effectiveness. Guidance systems improve missile accuracy by improving its "Single Shot Kill Probability" (SSKP). These guidance technologies can generally be divided up into a number of categories, with the broadest categories being "active," "passive" and "preset" guidance.

  

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•  Laser designator

  A laser designator is a laser light source which is used to designate a target. Laser designators provide targeting for laser guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, Lockheed-Martin's Hellfire, or the Copperhead round, respectively. When a target is marked by a designator, the beam is invisible and does not shine continuously. Instead, a series of coded pulses of laser-light are fired.

  

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•  Beam riding

  Beam-riding, also known as beam guidance, is a technique of directing a missile to its target by means of radar or a laser beam. It is one of the simplest forms of guidance using radar or lasers. The main use of this kind of system is to destroy airplanes or tanks. First, an aiming station (possibly mounted in a vehicle) in the launching area directs a narrow radar or laser beam at the enemy aircraft or tank.

  

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• Missile guidance by likeorhate

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•  Now That's What I Call Music 3 (UK series)

  Now That's What I Call Music 3 or Now 3 was released in 1984. The album is the third edition of the (UK) Now! series. It was released on vinyl record and audio cassette. It was the third consecutive album of the series to reach number one in the UK, staying there for eight weeks, the longest run at number one out of any Now album on the UK Albums Chart until the Compilations Chart was created in 1989. It was the 300th album to reach number one in the chart's history.

  

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•  Rowan Atkinson

  Rowan Sebastian Atkinson (born 6 January 1955) is an English comedian, actor and writer, most famous for his work in the sitcoms Blackadder and Mr. Bean, and the satirical sketch show Not The Nine O'Clock News. He has been listed in The Observer as one of the 50 funniest acts in British comedy, and amongst the top 50 comedy acts ever in a 2005 poll of fellow comedians.

  

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•  Gang of Four (China)

  

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•  Justinian's Digest

  

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