This second volume takes up the story and extends it into the twenty-first century. The Ameri¬can Army faced the challenges of creating huge citizen armies and then transporting them across the Globe in World War I, World War II, Korea, and Vietnam. Then, in a sense returning to its roots, it transformed itself into a smaller, all-volunteer professional Army that has deployed to dozens of contingencies since the unsettling end of the Vietnam War. Throughout the twentieth century and into the twenty-first, the U.S. Army has continued to be an instrument of American power in the defense of freedom and American interests around the world. As it has evolved, the Army has under¬taken missions as diverse as humanitarian assistance, nation building, occupation, reconstruction, and peacekeeping. Today the Army, like the nation it serves, is committed to prosecuting the Global War on Terrorism in Iraq, Afghanistan, and throughout the World while fulfilling its essential home¬land security responsibilities. This is necessarily an evolving story. This second volume ends with the war in Iraq and against terrorism still under way
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