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First-generation manually command guided MCLOS missiles like the AT-3 Sagger require input from an operator using a joystick or similar device to steer the missile to the target. The disadvantage is that the the operator must be well trained and must remain stationary during the flight time of the missile ( and is therfore vulnerable to counter attack ).
Second-generation semi-automatically command guided SACLOS missiles require the operator to only keep the sights on the target until impact. Automatic guidance commands are sent to the missile through wires or radio, or the missile relies on laser marking or a TV camera view from the nose of the missile. Examples are the American TOW and Hellfire I missiles. Again the operator must remain stationary during the flight time of the missile.
More advanced third-generation guidance systems rely on a laser or a camera, on the nose of the missile. Once the target is identified the missile needs no further guidance during flight ( i.e it is "fire-and-forget" ) and the operator is free to retreat. Examples include the American Javelin and Indian Nag.
Second-generation semi-automatically command guided SACLOS missiles require the operator to only keep the sights on the target until impact. Automatic guidance commands are sent to the missile through wires or radio, or the missile relies on laser marking or a TV camera view from the nose of the missile. Examples are the American TOW and Hellfire I missiles. Again the operator must remain stationary during the flight time of the missile.
More advanced third-generation guidance systems rely on a laser or a camera, on the nose of the missile. Once the target is identified the missile needs no further guidance during flight ( i.e it is "fire-and-forget" ) and the operator is free to retreat. Examples include the American Javelin and Indian Nag.
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