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The 2-8-8-2 was a design largely limited to American locomotive builders. The last 2-8-8-2 was retired in 1962 from the N&W's roster, two years past the ending of steam though steam was still used on steel mill lines and other railroads until 1983. Other equivalent classifications are: UIC classification: (1′D)D1′ French classification: 140+041
The USRA 2-8-8-2 was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-8-8-2 wheel arrangement in the Whyte notation, or (1'D)'D1' in UIC classification.
The Mersenne Twister is a general-purpose pseudorandom number generator (PRNG) developed in 1997 by Makoto Matsumoto (松本 眞) and Takuji Nishimura (西村 拓士). [1] [2] Its name derives from the choice of a Mersenne prime as its period length. The Mersenne Twister was designed specifically to rectify most of the flaws found in older PRNGs.
A plate showing the uniform of a U.S. Army first sergeant, circa 1858, influenced by the French army. The military uniforms of the Union Army in the American Civil War were widely varied and, due to limitations on supply of wool and other materials, based on availability and cost of materials. [1]
A service stripe is an embroidered diagonal stripe worn on the sleeve(s) of some military and paramilitary uniforms. In the case of the United States military, service stripes are authorized for wear by enlisted personnel on the lower part of the sleeve of a uniform to denote length of service.
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Current Service Dress uniforms worn by senior general officers and the Chief Master Sergeant of the Air Force. The current U.S. Air Force Service Dress Uniform, which was initially adopted in 1994 and made mandatory on 1 October 1999, consists of a three-button coat with silver-colored buttons featuring a design known as "Hap Arnold wings", matching trousers (women may choose to wear a ...