The United States has the world's largest military budget, spending over $700 billion annually.

The Department of Homeland Security is responsible for protecting the U.S. border, including preventing illegal immigration and drug trafficking.

The U.S. Air Force is responsible for conducting air operations, including fighter jet missions, bombing raids, and reconnaissance flights.

Delta Force, Navy SEALs, Green Berets, and Rangers are all special operations forces of the U.S. military.

NATO's primary purpose is to provide collective security against military aggression by its member states.

Russia is not a member of NATO.

Global Strike Command is responsible for the U.S. military's nuclear deterrent force.

Cyber Command is responsible for the U.S. military's cyber warfare operations.

Space Command is responsible for the U.S. military's space warfare operations.

The Ground-Based Midcourse Defense System is the U.S. military's missile defense system designed to intercept and destroy incoming ballistic missiles.

The Ballistic Missile Early Warning System is the U.S. military's early warning system for ballistic missile attacks.

Central Command is responsible for coordinating military operations in the Middle East.

European Command is responsible for coordinating military operations in Europe.

Pacific Command is responsible for coordinating military operations in the Pacific region.

Southern Command is responsible for coordinating military operations in the Americas.