Aircraft carriers are big and strong military watercraft. But did you know that they use catapults to launch jets? Or that they can be fueled by nuclear power? Find out more in this look at these impressive machines! Learn about different military vehicles in the Military Machines series-part of the Lightning Bolt Books® collection. With high-energy designs, appealing photos, and lively text, Lightning Bolt Books® bring nonfiction topics to life! Book jacket.