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Vortex Optics is a DBA of Sheltered Wings, Inc., which was incorporated in Wisconsin in 1989. Sheltered Wings, Inc. DBA Vortex Optics began in 2002. In 2022 after extensive research, testing and reviews Vortex became an official supplier and contractor to the American Military as the U.S. Army selected Vortex‘s XM-157 fire control system for its Next Generation Squad Weapon program.
Vortices are points in 2D fields and lines in 3D fields (as they have codimension two). Integrating the phase of the field around a path enclosing a vortex yields an integer multiple of 2 π. This integer is known as the topological charge, or strength, of the vortex. A hypergeometric-Gaussian mode (HyGG) has an optical vortex in its center ...
Peter G. Kokalis of Soldier of Fortune magazine and Shotgun News wrote that he installed over 300 Vortex Flash hiders while working as a military advisor with a Central American paramilitary unit in the 1980s. [7] The Vortex Flash Hider is used by the US Military on M4 carbines and M16 rifles with the NATO Stock Number of NSN 1005-01-591-5825 ...
The SS2 (short for Senapan Serbu 2, lit. ' Assault Rifle 2 ') is a replacement for the Pindad SS1 created by Pindad. [6] It had been seen during the ASEAN Army Rifles contest by foreign media in 2006 [7] aside from exposure by local Indonesian media.
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Discount rate may refer to: Social discount rate (of consumption), the rate at which the weight given to future consumption decreases in economic models;
These are sometimes referred to as R-scopes for range scope. A-scopes were used on the earliest radar systems during World War II , notably the seminal Chain Home (CH) system. The primary input to the A-scope was the amplified return signal received from the radar, which was sent into the Y-axis of the display.
Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.