TWIN FALLS, Idaho (KLIX)-  Joslin Field hosted some special guests Thursday afternoon from Washington. Boeing spent the afternoon at the Twin Falls Airport testing its newest aircraft, the 787 Dreamliner. It’s not very often that the Twin Falls airport see aircraft of that seize except when there is bad weather. Airport Manager Bill Carberry says that's why Boeing wanted to come to Twin Falls. Boeing engineers were testing the engines on the Dreamliner in windy conditions, which Twin Falls had plenty of Thursday. After several hours of testing the jetliner returned to Washington.