US military history

The US military has evolved from early colonial militias into a modern force that has fought in major conflicts like the Revolutionary War, Civil War, World Wars, Korea, Vietnam, and more recent conflicts in the Middle East. It has expanded in size, technology, and global reach to protect national interests, promote security, and support allied efforts. The military includes branches such as the Army, Navy, Air Force, Marine Corps, and Space Force, each with specialized roles. Throughout history, it has adapted to changing threats, advancing both military technology and strategy to maintain national security.