ANCHORAGE, Alaska -- Gov. Sarah Palin is visiting U.S. troops in Kosovo. Palin's office had said the governor traveled Wednesday to see Alaska National Guard troops at an undisclosed overseas location. On Thursday, her office said she was visiting about 140 aviators with the Guard in Kosovo.Her spokeswoman, Sharon Leighow, says that for security purposes, the governor's office could not release Palin's destination until it was cleared by the Department of Defense. Leighow says Palin will be on the trip through the weekend.