The Army is a branch of the Unites States Armed Forces. People in the Army keep the country safe. In the spring of 2003, the United States wanted to remove Dictator Saddam Hussein from power In Iraq. The U.S. Army, along with other military units, was sent to get the job done in this Middle Eastern nation. Army units arrived by plane and ship at military bases around the Middle East. They came from the United States and other nations. Starting on March 19, 20,000 U.S. Army soldiers marched across the Iraqi desert, heading toward Baghdad, Iraq's capital.