U.S. Sen. John McCain of Arizona questions U.S. Army Gen. Charles H. Jacoby Jr., the commander of U.S. Northern Command and the North American Aerospace Defense Command, and Marine Corps Gen. John F. Kelly, the commander of U.S. Southern Command, as they testify before the Senate Armed Services Committee in review of the National Defense Authorization Budget Request for Fiscal Year 2015 and the Future Years Defense Program at the Dirksen Senate Office Building in Washington, D.C., March 13, 2014.