Few operations in the War on Terror in Afghanistan would have been possible without the help of a vital group-Afghan translators and interpreters. While these individuals served alongside our troops, often at significant risk, many did not make it out during the August 2021 withdrawal and are still awaiting evacuation.One who did manage to escape, however, was Afghan interpreter Jamil Hassan, and this is his story.***Promises Betrayed***provides a first-hand account of the ...

This short book provides a concise study of the mechanics of head impact in a soccer heading manoeuvre. It describes the development and validation of finite element models of soccer ball and human head, as well as the simulation of brain dynamics after ball-to-head impact. In addition, it also presents a computational study of the efficacy of wearing protective headgear in mitigating the risk of concussion due to heading in soccer.