Imagine building a floating airport. Aircraft carriers are the crowning achievement of navy ships. Each takes thousands of people several years to build, and can cost over 10 billion dollars. Inside is a miniature city for a crew of 6,000, and on top is a huge flight deck. Powerful catapults are ready to launch jets off the runway when needed. Enthralled readers will explore the creation of these mobile ocean giants in this fascinating volume filled with striking images and essential STEM concepts that support the elementary science curriculum.