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…Understanding of the Effects of Combat on Soldiers 1-17. The third and final aspect of the art of tactics is the understanding of the effects of combat on Soldiers. This understanding is what differentiates actual…

…Joint interdependence is the purposeful reliance by one Service on another Service to complement and reinforce each other’s effects. Joint capabilities enhance the effectiveness of Army forces. Joint operations also have interagency and multinational aspects…

…A committed force is a force in contact with an enemy or deployed on a specific mission or course of action, which precludes its employment elsewhere. A force with an on-order mission is considered a…

Glossary Glossary-6 ADP 3-90 31 July 2019 economy of force The judicious employment and distribution of forces so as to expend the minimum essential combat power on secondary efforts to allocate the maximum possible…

…A successful commander retains a reserve, reconstituting one whenever possible on the commitment of the original reserve. RULES OF ENGAGEMENT 2-74. Rules of engagement are directives issued by competent military authority that delineate the circumstances…

…Commanders assign an area reconnaissance when information on the enemy situation is limited or when focused reconnaissance will yield specific information on the area in question. An area reconnaissance differs from a zone reconnaissance in that…

…of Soldiers and units from one place to another by any available means. *uncommitted force A force that is not in contact with an enemy and is not already deployed on a specific mission or course…

Glossary 31 July 2019 ADP 3-90 Glossary-5 *corps An echelon of command and tactical formation that employs divisions, multi-functional brigades, and functional brigades to achieve objectives on land. countermobility operations (Army) Those combined…

…Security operations and reconnaissance operations differ in that security operations focus on the protected force or location while reconnaissance operations focus on the enemy and terrain. (See chapter 5 for additional information on security operations.) Civil…

…Defending commanders seek to defeat the attacks of enemy forces by attriting those forces with repeated, unexpected engagements before they conduct their final assaults on friendly defensive positions. Enemy forces attempt to withdraw or transition to…

… Area defense focuses on terrain.  Mobile defense focuses on the movement of enemy forces.  Retrograde focuses on the movement of friendly forces. AREA DEFENSE 4-16. The area defense is a type of…

…Successful security operations depend on properly applying five fundamentals:  Provide early and accurate warning.  Provide reaction time and maneuver space.  Orient on the force, area, or facility.  Perform continuous reconnaissance.  Maintain…

31 July 2019 ADP 3-90 1-1 Chapter 1 Tactical Fundamentals Commanders consider their actions strategic, operational, or tactical based on whether they achieve a strategic, operational, or tactical objective. This chapter addresses the tactical…

…A flanking position is a geographical location on the flank of a force from which effective fires can be placed on that flank. An attacking commander maneuvers to occupy flanking positions against a defending force to…

…1330-1400 UTC - JS8Call Net on 80m @ 3.575 MHz Use same Ghostnet groups and naming conventions as on previous page. Europe-Australia Data Bridge 2000-2100 UTC - JS8Call Net on 20m @ 14.107 MHz Use…

…Minor/Single-System Outage National/regional cellular and/or internet out- age of unknown origin and/or scope affecting only one major network. Also includes IT outag- es that originate from only one source. Examples include…

…Europe Data Bridges Weekly Every Saturday North America-Europe Data Bridge 1800-1900 UTC - JS8Call Net on 20m @ 14.107 MHz Use same Ghostnet groups and naming conventions as on previous page. 1900-2000 UTC - Ion2G…

…Weekly Every Saturday North America-Europe Data Bridge 1800-1900 UTC - JS8Call Net on 20m @ 14.107 MHz Use same Ghostnet groups and naming conventions as on previous page. 1900-2000 UTC - Ion2G ALE Comm Window…

28 JS8Call Primarily an HF-based platform that, when installed on a computer linked to an HF radio, provides the operator with keyboard-to-keyboard texting capabilities. JS8 excels at weak-signal interception, and is well…

11 North America-Europe Data Bridge Established almost entirely on 20m, as this has the best chance of success over such a distance, while also being accessible to most people. Set up during the hours of…