When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Survival, Evasion, Resistance and Escape - Wikipedia

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

    Survival handbook of the United States Army Air Forces (USAAF) from 1944. Survival, Evasion, Resistance, and Escape (SERE) is a training concept originally developed by the United Kingdom during World War II. It is best known by its military acronym and prepares a range of Western forces to survive when evading or being captured.

  3. Traffic collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Traffic_collision...

    A traffic alert and collision avoidance system (TCAS, pronounced / tiːkæs /; TEE-kas) is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision (MAC) between aircraft. It monitors the airspace around an aircraft for other aircraft equipped with a corresponding active transponder, independent of air ...

  4. Post-traumatic stress disorder - Wikipedia

    en.wikipedia.org/wiki/Post-traumatic_stress_disorder

    Frequency. 8.7% (lifetime risk); 3.5% (12-month risk) (US) [ 7 ] Post-traumatic stress disorder (PTSD) [ b ] is a mental and behavioral disorder [ 8 ] that develops from experiencing a traumatic event, such as sexual assault, warfare, traffic collisions, child abuse, domestic violence, or other threats on a person's life or well-being. [ 1 ][ 9 ...

  5. Collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_system

    A collision avoidance system (CAS), also known as a pre-crash system, forward collision warning system (FCW), or collision mitigation system, is an advanced driver-assistance system designed to prevent or reduce the severity of a collision. [2] In its basic form, a forward collision warning system monitors a vehicle's speed, the speed of the ...

  6. Christian Science - Wikipedia

    en.wikipedia.org/wiki/Christian_Science

    Their training is a two-week, 12-lesson course called "primary class", based on the Recapitulation chapter of Science and Health. [123] Practitioners wanting to teach primary class take a six-day "normal class", held in Boston once every three years, and become Christian Science teachers. [124] There are also Christian Science nursing homes.

  7. List of accidents and incidents involving military aircraft ...

    en.wikipedia.org/wiki/List_of_accidents_and...

    Pilot major George D. Hulsey ejected safely and was picked up by an oil-rig supply vessel. Aircraft crashed into the North Sea, 9 miles off Spurn Point, Humberside, United Kingdom. 30 April. An Avro Shackleton, of No. 8 Squadron RAF crashes into a hill on the Isle of Harris, in Scotland.

  8. Collision avoidance (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance...

    Collision avoidance (spacecraft) Spacecraft collision avoidance is the implementation and study of processes minimizing the chance of orbiting spacecraft inadvertently colliding with other orbiting objects. The most common subject of spacecraft collision avoidance research and development is for human-made satellites in geocentric orbits.

  9. Ground-Based Midcourse Defense - Wikipedia

    en.wikipedia.org/wiki/Ground-Based_Midcourse_Defense

    Ground-Based Midcourse Defense (GMD), previously National Missile Defense (NMD), is an anti-ballistic missile system implemented by the United States of America for defense against ballistic missiles, during the midcourse phase of ballistic trajectory flight. It is a major component of the American missile defense strategy to counter ballistic ...