Annotation: The Vietnam War was a complicated and controversial conflict, and readers take a focused look at this chapter in world history through the lens of the military technology used in this war. From the advent of assault rifles to the use of chemical weapons, many of these technological advances have spurred heated debates over time, but readers discover the facts about them in an unbiased way. In addition, photographs of helicopters, planes, and other impressive pieces of military technology fill the pages, and fact boxes and sidebars provide additional information to support a deeper understanding of social studies and STEM.