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  2. Enlisted Performance Report - Wikipedia

    en.wikipedia.org/wiki/Enlisted_Performance_Report

    An Enlisted Performance Report (EPR) is an evaluation form used by the United States Air Force. Instructions for constructing an EPR appear in chapter 3 of Air Force Instruction 36-2406: Officer and Enlisted Evaluation Systems. The EPR replaced the Airman Performance Report (APR) in the late 1980s. The EPR was replaced by the Enlisted ...

  3. Force concentration - Wikipedia

    en.wikipedia.org/wiki/Force_concentration

    If force A has say 2 units and force B has 3 units, then the advantage force B has is 3²−2² or 5. If force A still has 2 units and force B has 4 units then the advantage force B has is 4²−2² or 12. If force A still has 2 units and force B has 5 units then the advantage force B has is 5²−2² or 21.

  4. Economy of force - Wikipedia

    en.wikipedia.org/wiki/Economy_of_force

    Economy of force is one of the nine Principles of War, based upon Carl von Clausewitz's approach to warfare. It is the principle of employing all available combat power in the most effective way possible, in an attempt to allocate a minimum of essential combat power to any secondary efforts.

  5. Deadly force - Wikipedia

    en.wikipedia.org/wiki/Deadly_force

    Deadly force, also known as lethal force, is the use of force that is likely to cause serious bodily injury or death to another person. In most jurisdictions, the use of deadly force is justified only under conditions of extreme necessity as a last resort , when all lesser means have failed or cannot reasonably be employed.

  6. Structure of the United States Air Force - Wikipedia

    en.wikipedia.org/wiki/Structure_of_the_United...

    The Air National Guard, often referred to as the Air Guard, is the air force militia organized by each of the fifty U.S. states, the commonwealth of Puerto Rico, the territories of Guam and the U.S. Virgin Islands, and the District of Columbia of the United States. Established under Title 10 and Title 32 of the U.S. Code, the Air National Guard ...

  7. LAPD's 'less-lethal' projectile launchers are leading to ...

    www.aol.com/news/lapds-less-lethal-projectile...

    The commission asked for the report after the Feb. 3 deadly shooting of Jason Maccani by police during what his family described as a bipolar episode. Officers fired a 40-millimeter projectile and ...

  8. List of aircraft accidents and incidents by number of ground ...

    en.wikipedia.org/wiki/List_of_aircraft_accidents...

    The first ground fatalities from an aircraft crash occurred on 21 July 1919, when the Wingfoot Air Express crash took place. The airship crashed into the Illinois Trust and Savings Building in Chicago, Illinois, killing three of the five occupants of the aircraft, in addition to ten people on the ground. [1]

  9. Lethal dose - Wikipedia

    en.wikipedia.org/wiki/Lethal_dose

    The median lethal dose, LD 50 (abbreviation for "lethal dose, 50%"), LC 50 (lethal concentration, 50%) or LCt 50 (lethal concentration and time) of a toxin, radiation, or pathogen is the dose required to kill half the members of a tested population after a specified test duration.