U.S. Forces refer to the military personnel and units of the United States Armed Forces, which include the Army, Navy, Air Force, Marine Corps, and Coast Guard. These forces are responsible for defending the country, conducting military operations, and supporting international peacekeeping efforts. The U.S. Forces are organized into various commands and bases around the world, allowing them to respond quickly to crises. They engage in training, humanitarian missions, and combat operations as needed, ensuring national security and assisting allies in times of conflict or disaster.