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The ASCD community also includes affiliate organizations Student Chapters. [ 2 ] While ASCD was initially founded with a focus on curriculum and supervision, the organization now provides professional development, publishing, and event experiences focusing on a broad range of topics for educators.
United States: The SPR was one of two rifles (along with the H-S Precision HTR) [1] approved in 2004 by the Federal Bureau of Investigation for use of by their Hostage Rescue Team. [2] The FBI variant has the model name FNH SPR-USG ( USG – US Government ), [ 1 ] and is also called the A3G by FN.
Practice-based professional learning (PBPL) is understood in contrast to classroom- or theory-based learning. It is kindred to terms such as work-based learning , workplace or work-centred learning. Distinctive, though, are a concern for professional learning, and the preference for practice rather than work.
Solution Tree is a professional development company and publisher of educational material for K–12 educators. Founded in 1998, the company provides services and products that include books, videos, conferences, workshops, consultation, and online courses. [1]
A learning community is a group of people who share common academic goals and attitudes and meet semi-regularly to collaborate on classwork. Such communities have become the template for a cohort-based, interdisciplinary approach to higher education.
The bore twist is 1-turn-in-11.25 inches [1:285.75 mm] and the rifling is five radial lands and grooves (5-R) with a right-hand (RH) twist. Because of the odd number of lands, none of the lands are 180° apart, i.e. in direct opposition. This results in less bullet deformation, which (at least in theory) produces more consistent point of impact.
Officers receive 24 hours of annual training in the classroom and twice on the range according to standards determined by the Police Chief. Before going on patrol, Patrol Specials checked in with the duty watch commander in their police district. The Rules authorized their uniform and patch, which are distinct from that of the SFPD.
The M21 sniper weapon system (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8] It is chambered for the 7.62×51mm NATO cartridge.