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INFO: Full form for MS is Mobilization Station in Military and Defence category
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INFO: Full form for MS is Mess Specialist in Military and Defence category
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INFO: Full form for MS is Market Survey in Military and Defence category
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Master sailor, formerly Master seaman, or matelot-chef (matc) in French, is a non-commissioned member rank of the Royal Canadian Navy, which is between sailor first class and petty officer 2nd class. Technically, the rank is actually an appointment, with appointees holding the rank of sailor first class. If demoted, a master sailor will become an sailor second class or sailor first class depending on seniority. However, the process to be appointed is very similar to that of a promotion, and holding the appointment of master seaman is a prerequisite to promotion to PO2.

A contributing factor to the confusion of 'appointment' vs 'promotion' is that when promoted/appointed to master seaman, the sailor enters a new pay scale, unlike appointment to sailor second class, wherein the sailor has simply entered a new incentive level within the pay scale for ordinary seaman.

A master sailor is equal to a master corporal of the Canadian Army and the Royal Canadian Air Force.

The rank of master sailor is sometimes referred to as "master killick", from "killick", the slang for sailor first class. Those personnel junior to the master sailor, however, are advised to refrain from addressing the holder by that term.

In September 2020 the name of the rank was changed from master seaman to master sailor as part of a change to gender-neutral rank names.

A United States defense standard, often called a military standard, "MIL-STD", "MIL-SPEC", or (informally) "MilSpecs", is used to help achieve standardization objectives by the U.S. Department of Defense.

Standardization is beneficial in achieving interoperability, ensuring products meet certain requirements, commonality, reliability, total cost of ownership, compatibility with logistics systems, and similar defense-related objectives.

Defense standards are also used by other non-defense government organizations, technical organizations, and industry. This article discusses definitions, history, and usage of defense standards. Related documents, such as defense handbooks and defense specifications, are also addressed.

Microsoft Corporation is an American multinational technology corporation which produces computer software, consumer electronics, personal computers, and related services. Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface lineup of touchscreen personal computers. Microsoft ranked No. 21 in the 2020 Fortune 500 rankings of the largest United States corporations by total revenue; it was the world's largest software maker by revenue as of 2016. It is considered one of the Big Five companies in the U.S. information technology industry, along with Google, Apple, Amazon, and Facebook.

Microsoft (the word being a portmanteau of "microcomputer software") was founded by Bill Gates and Paul Allen on April 4, 1975, to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Microsoft Windows. The company's 1986 initial public offering (IPO), and subsequent rise in its share price, created three billionaires and an estimated 12,000 millionaires among Microsoft employees. Since the 1990s, it has increasingly diversified from the operating system market and has made a number of corporate acquisitions, their largest being the acquisition of LinkedIn for $26.2 billion in December 2016, followed by their acquisition of Skype Technologies for $8.5 billion in May 2011.

As of 2015, Microsoft is market-dominant in the IBM PC compatible operating system market and the office software suite market, although it has lost the majority of the overall operating system market to Android. The company also produces a wide range of other consumer and enterprise software for desktops, laptops, tabs, gadgets, and servers, including Internet search (with Bing), the digital services market (through MSN), mixed reality (HoloLens), cloud computing (Azure), and software development (Visual Studio).

Steve Ballmer replaced Gates as CEO in 2000, and later envisioned a "devices and services" strategy. This unfolded with Microsoft acquiring Danger Inc. in 2008, entering the personal computer production market for the first time in June 2012 with the launch of the Microsoft Surface line of tablet computers, and later forming Microsoft Mobile through the acquisition of Nokia's devices and services division. Since Satya Nadella took over as CEO in 2014, the company has scaled back on hardware and has instead focused on cloud computing, a move that helped the company's shares reach its highest value since December 1999.

Earlier dethroned by Apple in 2010, in 2018 Microsoft reclaimed its position as the most valuable publicly traded company in the world. In April 2019, Microsoft reached the trillion-dollar market cap, becoming the third U.S. public company to be valued at over $1 trillion after Apple and Amazon respectively. As of 2020, Microsoft has the third-highest global brand valuation.