The most important machines in history are perhaps the ones that helped win wars. The U.S. military has developed some of the most advanced military machines the world has ever seen. With exciting stories and full-color photographs of vehicles like tanks, helicopters, and Jeeps, readers discover how the wheels of history have been pushed along with the help of some impressive military machines. Readers even learn to draw their own military machines as they explore the technology behind victory in this exciting book. A concluding quiz at the end of the book tests what they’ve learned about these combat creations.