Joint Direct Attack Munition/Related Articles

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A list of Citizendium articles, and planned articles, about Joint Direct Attack Munition.
See also changes related to Joint Direct Attack Munition, or pages that link to Joint Direct Attack Munition or to this page or whose text contains "Joint Direct Attack Munition".

Parent topics

  • Gravity bomb [r]: A bomb with no supplemental propulsion, whose trajectory is determined by initial velocity and gravity, or by the action of aerodynamic control surfaces. [e]
  • Precision-guided munition [r]: A powered or unpowered weapon that adjusts its flight path to hit a specific target, with a circular error probability in the low number of meters, often less than the radius of destruction [e]
    • Circular error probability [r]: The most common metric of how close to a target a weapon will strike: the radius of a circle, centered on the mean impact point, in which half the projectiles of that weapon will hit [e]
    • Go-onto-location-in-space [r]: A weapons guidance paradigm in which the weapon guides itself to a specific set of geographic coordinates and activates its warhead, rather than sensing and tracking a target [e]
    • Go-onto-target [r]: A guidance paradigm in which the sensor follows a potentially moving signal from the target, rather than going to a set of predefined geographic coordinates [e]



Interface to carrying aircraft

  • MIL-STD-1553 [r]: An extensively used interconnection standard among military electronics components, slow in comparison with local area networks but intended for simple command-response control in electrically noisy environments [e]
  • MIL-STD-1760 [r]: Standard mechanical and electrical interface between individual air-dropped weapons and the carrying aircraft; assigns MIL-STD-1553 bus interface to the weapon [e]

JDAM variants

Fuze subsystems

  • Fuze [r]: A mechanical, pyrotechnic or electronic device that causes the initiation of a detonator after some sensed event or events [e]
    • FMU-139 [r]: With a number of manufacturing variants, a common electronic fuze and detonator for U.S. bombs; impact or delay detonating in its basic form and airburst-capable with the addition of a DSU-33 sensor [e]
      • DSU-33 [r]: A modular subcomponent for U.S. bomb fuzes, principally the FMU-139, which senses the proximity of the onrushing ground and tells the fuze, so it can detonate the bomb, if so programmed, as an airburst [e]
    • FMU-157 [r]: Hard Target Smart Fuze (HTSF) for deep penetration of bombs into ground, concrete, or rock before penetration [e]
    • FZU-38 [r]: Add brief definition or description fuze safety switch

Guidance technologies

  • Midcourse [r]: That part of the journey of an unmanned vehicle, or a manned vehicle on autopilot, between launch/takeoff/boost phase and final approach/terminal guidance [e]
  • Terminal guidance [r]: Provision of information given to a weapon in the final part of its trajectory, or to an aircraft about to land [e]
    • Laser designator [r]: A device that puts a distinctive, usually invisible, pattern of laser energy on an object, for purposes such as designating the target of a laser-guided bomb [e]
    • Laser rangefinder [r]: A device, analogous to radar but using light rather than radio waves, which measures the distance to an object of interest. [e]

Other related topics