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This has been controversial in the past, since the oldest specification, TM8358.1, [1] used rounding, as did GEOTRANS [4] before version 3.0. However, truncation is used in GEOTRANS since version 3.0, and in NGA Military Map Reading 201 [3] (page 5) and in the US Army Field Manual 3-25.26. [5] The civilian version of MGRS, USNG, also uses ...
Land navigation is the discipline of following a route through unfamiliar terrain on foot or by vehicle, using maps with reference to terrain, a compass, and other navigational tools. [1] It is distinguished from travel by traditional groups, such as the Tuareg [ 2 ] across the Sahara and the Inuit [ 3 ] across the Arctic , who use subtle cues ...
Example on a topographical map, and how it would look in the real world. Typical draw, Little Carpathians A draw, sometimes known as a re-entrant in orienteering, is a terrain feature formed by two parallel ridges or spurs with low ground in between them.
On the night of 3 November 1988, the Indian Air Force mounted special operations to airlift a parachute battalion group from Agra, non-stop over 2,000 kilometres (1,200 mi) to the remote Indian Ocean archipelago of the Maldives in response to Maldivian president Gayoom's request for military help against a mercenary invasion in Operation Cactus.
In 2016, about 400 barrels (64 m 3) were released from the original Keystone pipe network via leaks, which federal investigators said resulted from a "weld anomaly". [235] On November 17, 2017, the pipeline leaked around 9,600 barrels (1,530 m 3) [236] onto farmland near Amherst, South Dakota. The oil leak is the largest seen from the Keystone ...
On 7 October 2008, an approximately 4 meter asteroid labeled 2008 TC 3 was tracked for 20 hours as it approached Earth and as it fell through the atmosphere and impacted in Sudan. This was the first time an object was detected before it reached the atmosphere and hundreds of pieces of the meteorite were recovered from the Nubian Desert .
Asia (/ ˈ eɪ ʒ ə / ⓘ AY-zhə, UK also / ˈ eɪ ʃ ə / AY-shə) is the largest continent [note 1] [10] [11] in the world by both land area and population. [11] It covers an area of more than 44 million square kilometres, [note 2] about 30% of Earth's total land area and 8% of Earth's total surface area.
They store most of the land ice (~99.5%) and have a sea-level equivalent (SLE) of 7.4 m (24 ft 3 in) for Greenland and 58.3 m (191 ft 3 in) for Antarctica. [6] Thus, melting of all the ice on Earth would result in about 70 m (229 ft 8 in) of sea level rise, [ 83 ] although this would require at least 10,000 years and up to 10 °C (18 °F) of ...