Examines the ways in which engineering has been used on the battlefield, from ironclad ships to fort construction.

They are wide and strong. They can dodge bombs and bullets. They carry soldiers and weapons. They help save lives. They are light tactical vehicles. The U.S. military used trucks and jeeps before moving on to Humvees. Then came the Oshkosh L-ATV. This book tells readers all about how light tactical vehicles have evolved over the years.

You're not imagining it! You just saw a vehicle go straight from land into the ocean. Amphibious vehicles have the unique ability to travel on both land and in water. As militaries look to jet-powered high-speed amphibious vehicles, consumers are taking recreational amphibious vehicles out for a spin. From lightweight streamlined hulls to retractable wheels, take young readers on a journey through the technology that makes these vehicles so amazing.

"From using horses in battle to operating hospitals in a war zone, biology has been an important part of warfare. Readers will learn about the scientists and concepts that contributed to modern understanding of biology."--Provided by publisher.

"With fascinating information about radio waves, virtual reality, and drones, this books covers the many ways electronics have been used and developed through warfare. Readers will learn about the important scientists and technology that have made contributions to the modern world."--Provided by publisher.

In 1878 tiny Russian speedboats raced toward a huge enemy warship in the Black Sea. The speedboats carried new weapons called torpedoes. The Russian torpedoes struck the Turkish warship, and it sank. It was the first time small boats had destroyed a warship. Physics, or the science of forces, has always been an important part of war. In the late nineteenth century, inventors developed machine guns that could fire thousands of bullets a minute. During World War II, physicists took part in a top-secret project to create the most powerful weapon in the world: the atom bomb. From crossbows and cannons to rocket launchers and laser-guided missiles, discover how physicists have changed weapons and warfare!

"Through intriguing text and graphics, readers will learn about incredible real-world applications for chemistry. To both attack and defend, scientists have used chemistry in important ways to greatly impact history through war."--Provided by publisher.

During WWII, Japan's navy relied on secret codes to communicate battle plans. By early 1942, US experts had cracked the code. The Japanese had planned a surprise attack on US Navy ships, but now the Americans knew the attack was coming. They turned the tables on the enemy and won a decisive victory. Math has always been key to warfare. Scientists use mathematical calculations to understand how missiles fly, or how to build faster airplanes. Soldiers in battle use math to figure out how to hit a particular target. From making sure an army has enough supplies to recording casualties and damage, discover how math and calculations lie at the heart of warfare!

In 1944 during World War II, US and British engineers built a massive floating harbor. When soldiers from these countries landed in France to fight the Germans, ships towed the harbor to the French coast. Within days it was working to bring supplies to the soldiers. Engineering has always been an important part of war. Engineers have built defenses to protect soldiers, as well as roads and ships to move troops quickly. Engineers constructed huge castles—and also made giant catapults and battering rams capable of destroying castle walls. From the helicopter to the hovercraft, discover how military engineers have changed war on land, at sea, and in the air!

The war on terror requires huge amounts of fighters, weapons, and vehicles to be transported long distances. Readers will learn about the most up-to-date transport vehicles currently used in this ongoing war. Callout explanations paired with high-impact photos help information leap off the page.