VANDENBERG AIR FORCE BASE, Calif. -- An unarmed Minuteman III intercontinental ballistic missile was launched during an operational test at 4:36 a.m. here Tuesday from Launch Facility-04 on north Vandenberg. Col. Brent McArthur, 30th Space Wing vice commander, was the launch decision authority. (U.S. Air Force photo/ Airman 1st Class Yvonne Morales)