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Machu Picchu is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a 2,430-meter (7,970 ft) mountain ridge. [2] [3] Often referred to as the "Lost City of the Incas", it is the most familiar icon of the Inca Empire. It is located in the Machupicchu District within Urubamba Province [4] above the Sacred Valley, which is 80 kilometers (50 mi) northwest of Cusco ...
The term "cockpit resource management"—which was later generalized to "crew resource management"—was coined in 1979 by NASA psychologist John Lauber, who for several years had studied communication processes in cockpits. [5] While retaining a command hierarchy, the concept was intended to foster a less-authoritarian cockpit culture in which co-pilots are encouraged to question captains if ...
Unifi Aviation, LLC is the largest aviation ground handling services in North America. [1] Unifi was formed late 2018, after Delta Air Lines sold a stake of its subsidiary, DAL Global Services, to Argenbright Holdings. Unifi is jointly owned by Argenbright, who owns 51% of the company and Delta, who owns 49%. [2]
South Sudan, officially the Republic of South Sudan, and previously known as Southern Sudan, is a landlocked country in Middle Africa, [1] in the area of northeast Central Africa that is part of the United Nations subregion of Eastern Africa. [2] The economy of South Sudan is one of the world's most underdeveloped with South Sudan having little existing infrastructure and the highest maternal ...