An American F-16 fighter jet crashed on Wednesday near Las Vegas, the third US military aircraft crash in two days. "An Air Force F-16 assigned to Nellis Air Force Base, Nevada, crashed at approximately 10.30 am during routine training on the Nevada Test and Training Range," the Air Force said in a statement. "The condition of the pilot is not known at this time," it said. The crash followed two others the day before. In California, a Marine Corps CH-53E helicopter crashed with four crew aboard. A United States Marine Corps CH-53E Super Stallion Helicopter like that which crashed in California, sits at North Island Naval Air Station Coronado Credit: Louis Nastro/Reuters "The status of all four is presumed dead pending positive identification," the 3rd Marine Aircraft Wing said. And in Djibouti, a Marine AV-8B Harrier jet crashed after the pilot ejected during takeoff. "Doctors said the pilot was in stable condition," US Naval Forces Central Comm...