As of 2017, the U.S. spends about US$610 billion annually to fund its military forces and Overseas Contingency Operations. Put together, the U.S. constitutes roughly 40 percent of the world's military expenditures. The U.S. Armed Forces has significant capabilities in both defense and power projection due to its large budget, resulting in advanced and powerful technologies which enables a widespread deployment of the force around the world, including around 800 military bases outside the United States. The U.S. Air Force is the world's largest air force, the U.S. Navy is the world's largest navy by tonnage, and the U.S. Navy and the U.S. Marine Corps combined are the world's second largest air arm. In terms of size, the U.S. Coast Guard is the world's 12th largest naval force. 
Once you've received your free test results, we'll provide a custom list of video lessons that focuses on the concepts you need to study most. You'll learn from expert instructors who have crafted engaging video lessons, and you can test your knowledge with lesson quizzes. The ASVAB courses cover only material that you'll encounter on the ASVAB, so you'll know that you're focusing on the topics that will have the biggest impact on your score. Topical chapter exams will further help you solidify your understanding of important terms, concepts and formulas from the course. And you'll always stay on track with our custom study schedule, which keeps you on track with reminders of what and when to study.