Bloomberg The US Air Force declared its version of Lockheed Martin Corp.’s F-35 ready if needed for limited combat operations, a milestone for the $379 billion program that’s the Pentagon’s costliest. The service’s announcement that the combat jet has an “initial operational capability” reflects progress after early years marked by development setbacks and rising costs. But the F-35 is …

  Bloomberg The roll-out of the Polish government’s flagship welfare program hit the country’s biggest retailer with a bittersweet result last quarter, lifting sales while also pressuring it to raise wages as it struggles to hire new workers. Sales at Portugal’s Jeronimo Martins SGPS SA’s Polish Biedronka supermarket chain jumped 10.2 percent in April to June from a year earlier …

  AFP Australian MH370 search authorities are hopeful a wing part found in Tanzania will shed light on how the flight crashed, amid a lack of public information on debris found a year ago. As the underwater hunt far off Australia’s west coast draws to a close without any sign of the plane, there has been speculation the flight’s final …