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Aerospace bearings are the bearings installed in aircraft and aerospace systems including commercial, private, military, or space applications. Materials include M50 tool steel (AMS6491), carbon chrome steel (AMS6444), the corrosion resistant AMS5930, 440C stainless steel, silicon nitride (ceramic) and titanium carbide-coated 440C.
Although military logistics was an older discipline than its business counterpart, in the twenty-first century the adoption of new tools, techniques and technologies saw the latter overtake the former. [212] Techniques were imported to military logistics that had been developed in the business world, such as just-in-time manufacturing.
The German Hyghalmen Roll was made in the late 15th century and illustrates the German practice of repeating themes from the arms in the crest. (See Roll of arms).. Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree.
The examples and perspective in this article deal primarily with Europe and the United States and do not represent a worldwide view of the subject. You may improve this article , discuss the issue on the talk page , or create a new article , as appropriate.
This warrior statuette demonstrates that military culture was an important part of historical societies, c.480 BC, Staatliche Antikensammlungen. Military history is the study of armed conflict in the history of humanity , and its impact on the societies, cultures and economies thereof, as well as the resulting changes to local and international ...
The military history of Europe refers to the history of warfare on the European continent. From the beginning of the modern era to the second half of the 20th century, European militaries possessed a significant technological advantage, allowing its states to pursue policies of expansionism and colonization until the Cold War period. European ...
Groups that advocate for military personnel want the Pentagon to fix what they say are poor living conditions on U.S. bases, including mold, mice and bad water.
Ball-bearing Run was the nickname of the war-time Stockholmsruten flight between Stockholm and Leuchars, Scotland between 1939 and 1945. After 1942 the flight was run by the Royal Norwegian Air Force , but for political reasons [ 1 ] operated as an ordinary BOAC Flight , the unarmed aircraft having civilian registration and the Norwegian ...