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  1. COUR - Coursera, Inc.

    Yahoo Finance

    7.69-0.16 (-2.04%)

    at Fri, May 24, 2024, 4:00PM EDT - U.S. markets closed

    Nasdaq Real Time Price

    • Open 7.85
    • High 7.92
    • Low 7.66
    • Prev. Close 7.85
    • 52 Wk. High 21.26
    • 52 Wk. Low 7.66
    • P/E N/A
    • Mkt. Cap 1.2B
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  3. Survival, Evasion, Resistance and Escape - Wikipedia

    en.wikipedia.org/wiki/Survival,_Evasion...

    Level C training focuses on resistance to exploitation and interrogation, survival during isolation and captivity, and escape from hostiles (e.g., "prison camps"). "Escape Training" has elements similar to evasion and resistance training – if details are revealed, it potentially helps adversaries.

  4. CBRN defense - Wikipedia

    en.wikipedia.org/wiki/CBRN_defense

    CBRN defense consists of CBRN passive protection, contamination avoidance, and weapons of mass destruction mitigation. A CBRN incident differs from a hazardous material incident in both scope (i.e., CBRN can be a mass casualty situation) and intent.

  5. Mid-air collision - Wikipedia

    en.wikipedia.org/wiki/Mid-air_collision

    Mid-air collision. In aviation, a mid-air collision is an accident in which two or more aircraft come into unplanned contact during flight. [1] Owing to the relatively high velocities involved and the likelihood of subsequent impact with the ground or sea, very severe damage or the total destruction of at least one of the aircraft usually results.

  6. Terrain awareness and warning system - Wikipedia

    en.wikipedia.org/wiki/Terrain_awareness_and...

    In aviation, a terrain awareness and warning system ( TAWS) is generally an on-board system aimed at preventing unintentional impacts with the ground, termed "controlled flight into terrain" accidents, or CFIT. [1] The specific systems currently in use are the ground proximity warning system (GPWS) and the enhanced ground proximity warning ...

  7. Kavach (train protection system) - Wikipedia

    en.wikipedia.org/wiki/Kavach_(train_protection...

    Initial development of Kavach started in 2012 under the name Train Collision Avoidance System (TCAS) and completed development in 2022. Kavach has been certified for compliance with safety integrity level 4 (SIL-4) operations.

  8. Forward air control - Wikipedia

    en.wikipedia.org/wiki/Forward_air_control

    A U.S. Army Bell OH-58A-BF Kiowa (s/n 68-16687) in flight, source: Vietnam Studies - Airmobility 1961-1971. There was a great deal of technical innovation in forward air control operations during the course of the Vietnam War. The United States came up with a number of ways to make its forward air control system more effective.

  9. Automatic Ground Collision Avoidance System - Wikipedia

    en.wikipedia.org/wiki/Automatic_Ground_Collision...

    The Automatic Ground Collision Avoidance System (Auto-GCAS) enhances safety by mitigating controlled flight into terrain (CFIT) accidents. The Auto-GCAS team was awarded the 2018 Collier Trophy for the design-integration and flight testing in the F-35, marking the year's greatest achievement in aeronautics.

  10. United States Army Combat Readiness Center - Wikipedia

    en.wikipedia.org/wiki/United_States_Army_Combat...

    The U.S. Army Combat Readiness Center has many tools and programs to help leaders, battle buddies and Family members identify risky behaviors, provide solutions and help prevent needless accidents both on and off duty.

  11. Air Assault Badge - Wikipedia

    en.wikipedia.org/wiki/Air_Assault_Badge

    Currently, in order for a US servicemember to be awarded the Air Assault Badge, they must first complete a 10 1/2-day course of instruction at the US Army Air Assault School. This course consists of the following phases of training:

  12. Collision avoidance in transportation - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_in...

    In transportation, collision avoidance is the maintenance of systems and practices designed to prevent vehicles (such as aircraft, motor vehicles, ships, cranes and trains) from colliding with each other. Examples include: Airborne collision avoidance systems for aircraft; Automatic Identification System for collision avoidance in water transport