FORT HUACHUCA -- The sky over this Southern Arizona Army post will be the test area for unmanned aerial vehicles that the U.S. Department of Homeland Security is looking at to provide border security. "We are looking at several different types, a broad range of UAVs," said Dennis Murphy, a spokesman for the department. A team is on the post preparing to test the unmanned aircraft to determine a number of operational items, such as what altitudes they will have to be flown, and what kind of capabilities they can provide the department's Bureau of Customs and Border Protection, Murphy...