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  2. 1990 Wayne County Airport runway collision - Wikipedia

    en.wikipedia.org/wiki/1990_Wayne_County_Airport...

    On December 3, 1990, two Northwest Airlines jetliners collided at Detroit Metropolitan Wayne County Airport. Flight 1482, a scheduled Douglas DC-9-14 operating from Detroit to Pittsburgh International Airport, taxied by mistake onto an active runway in dense fog and was hit by a departing Boeing 727 operating as Flight 299 to Memphis International Airport.

  3. Covariance and contravariance of vectors - Wikipedia

    en.wikipedia.org/wiki/Covariance_and_contra...

    It lives in the dual vector space, and represents a linear map from vectors to scalars. The dot product operator involving vectors is a good example of a covector. To illustrate, assume we have a covector defined as v ⋅ {\displaystyle \mathbf {v} \ \cdot } , where v {\displaystyle \mathbf {v} } is a vector.

  4. List of National Wrestling Alliance territories - Wikipedia

    en.wikipedia.org/wiki/List_of_National_Wrestling...

    The old NWA territory system in North America. Formed in 1948, the National Wrestling Alliance (NWA) was the largest governing body in professional wrestling until the 1980s Rock 'n' Wrestling Era.

  5. Movement for the Emancipation of the Niger Delta - Wikipedia

    en.wikipedia.org/wiki/Movement_for_the...

    The Movement for the Emancipation of the Niger Delta (MEND) is a decentralised militant group in the Niger Delta region of Nigeria. [1] [2] MEND's actions – including sabotage, theft, property destruction, guerrilla warfare, and kidnapping – are part of the broader conflict in the Niger Delta and reduced Nigeria's oil production by 33% between 2006-07.

  6. Delta (situational awareness system) - Wikipedia

    en.wikipedia.org/wiki/Delta_(situational...

    Delta is a situational awareness [1] and battlefield management system developed and used in Ukraine. The system integrates information from a broad network of participants, including troops, civilian officials, and vetted bystanders; [2] and a wide range of streams, [1] including sensors, intelligence sources, surveillance satellites and drones, [2] especially geolocated data, which it maps ...

  7. Northwest Arkansas - Wikipedia

    en.wikipedia.org/wiki/Northwest_Arkansas

    The term "Northwest Arkansas" is commonly used to refer to the rapidly growing cities of Benton and Washington counties in the geographic corner of the state. Northwest Arkansas, often abbreviated NWA, has become known as a cohesive region due to the efforts of the Northwest Arkansas Council, an association of community and business leaders formally organized in 1990 to promote regionalization ...

  8. NWA USA - Wikipedia

    en.wikipedia.org/wiki/NWA_USA

    NWA USA is a professional wrestling streaming television program produced by the National Wrestling Alliance (NWA) that premiered on January 8, 2022 on YouTube. [1]A companion series to NWA Powerrr, USA primarily revolves around the NWA Junior Heavyweight Championship, the NWA United States Tag Team Championship, and the NWA World Women's Television Championship divisions.

  9. Convair F-106 Delta Dart - Wikipedia

    en.wikipedia.org/wiki/Convair_F-106_Delta_Dart

    The F-106 was the ultimate development of the USAF's 1954 interceptor program of the early 1950s. [4] The initial winner of this competition had been the F-102 Delta Dagger, but early versions of this aircraft had demonstrated extremely poor performance, being limited to flying at subsonic speeds and relatively low altitudes. [5]