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54′. In trigonometry, the gradian – also known as the gon (from Ancient Greek γωνία (gōnía) 'angle'), grad, or grade [1] – is a unit of measurement of an angle, defined as one-hundredth of the right angle; in other words, 100 gradians is equal to 90 degrees. [2] [3] [4] It is equivalent to 1/400 of a turn, [5] 9/10 of a ...
An MGRS grid reference is a point reference system. When the term 'grid square' is used, it can refer to a square with a side length of 10 km (6 mi), 1 km, 100 m (328 ft), 10 m or 1 m, depending on the precision of the coordinates provided. (In some cases, squares adjacent to a Grid Zone Junction (GZJ) are clipped, so polygon is a better ...
Class 500 – Science. Class 600 – Technology. Class 700 – Arts and recreation. Class 800 – Literature. Class 900 – History and geography. See also. References. External links. List of Dewey Decimal classes.
A military staff or general staff (also referred to as army staff, navy staff, or air staff within the individual services) is a group of officers, enlisted and civilian staff who serve the commander of a division or other large military unit in their command and control role through planning, analysis, and information gathering, as well as by relaying, coordinating, and supervising the ...
Members of the United States military maintain their highest rank after discharge or retirement. 10 U.S. Code § 772(e) states: A person not on active duty who served honorably in time of war in the Army, Navy, Air Force, or Marine Corps may bear the title and wear the uniform of the highest grade held by him during that war.
The following readability scale is used: 1 = bad (unreadable); 2 = poor (readable now and then); 3 = fair (readable, but with difficulty); 4 = good (readable); 5 = excellent (perfectly readable). Example of correct US Army radio check, for receiver A-11 (Alpha 11) and sender D-12 (Delta 12):
5.56×45mm NATO. Equipped with night vision binoculars NS467C by THEON Sensors. The first 750 pieces are available in two versions (Standard) and (PARA). The remaining 2,320 are MINIMI Mk. 2 with the same number of night-vision binoculars of third generation NS 685C made by THEON Sensors. 1,274 more on order.
The Hellenic National Defence General Staff ( Greek: Γενικό Επιτελείο Εθνικής Άμυνας, abbr. ΓΕΕΘΑ) is the senior staff of the Hellenic Armed Forces. It was established in 1950, when the separate armed services ministries were consolidated into the Ministry of National Defence. Its role in peacetime was as a ...