The U.S. military says a KC-135 refueling aircraft supporting operations against Iran crashed in western Iraq, killing all six crew members. U.S. Central Command, which oversees the Middle East, said the crash followed an unspecified incident involving two aircraft in “friendly airspace,” and that the other plane landed safely. The KC-135 Stratotanker is a U.S. Air Force aircraft used to refuel other planes in midair, allowing them to travel longer distances and maintain operations longer without landing. The plane has been in service for more than 60 years, and has been involved in several fatal accidents. The most recent happened on May 3, 2013, when a KC-135R crashed after takeoff south of Chaldovar, Kyrgyzstan. WASHINGTON (AP) — All six crew members of a KC-135 refueling aircraft that crashed while supporting operations against Iran are dead, the U.S. military said Friday. U.S. Central Command, which oversees the Middle East, said the crash in western Iraq ... [6569 chars]