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The military time zones are a standardized, uniform set of time zones for expressing time across different regions of the world, named after the NATO phonetic alphabet. The Zulu time zone (Z) is equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone. The military time zone system ensures clear ...
Tubular magazine. The Model 1200 is a pump-action shotgun that was manufactured by the Winchester-Western Division of Olin Corporation, starting 1964. It was redesignated the Model 1300 in 1978 with minimal changes. Production ceased in 2006 when the U.S. Repeating Arms Company, the subsequent manufacturer, went bankrupt.
The evolution of United States standard time zone boundaries from 1919 to 2024 in five-year increments. Plaque in Chicago marking the creation of the four time zones of the continental US in 1883 Colorized 1913 time zone map of the United States, showing boundaries very different from today Map of U.S. time zones during between April 2, 2006, and March 11, 2007.
The year 1300 ( MCCC) was a leap year starting on Friday (link will display the full calendar) in the Julian calendar, the 1300th year of the Common Era (CE) and Anno Domini (AD) designations, the 300th year of the 2nd millennium, the 100th and last year of the 13th century, and the 1st year of the 1300s. The year 1300 was not a leap year in ...
The modern 24-hour clock is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) passed since midnight, from 00 (:00) to 23 (:59), with 24 (:00) as an option to indicate the end of the day. This system, as opposed to the 12-hour clock, is the ...
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...
This category is for images (including graphics and photographs) taken or made by members of the U.S. military or Department of Defense during the course of the person's official duties. Under United States copyright law, such images are public domain . The preferred destination for such uploads is Commons Category:PD US Military.
A time standard is a specification for measuring time: either the rate at which time passes or points in time or both. In modern times, several time specifications have been officially recognized as standards, where formerly they were matters of custom and practice. An example of a kind of time standard can be a time scale, specifying a method ...