Striking ground personnel stand next to the main arrivals and departures board at Tegel Airport on March 2, 2012 in Berlin, Germany. Over a hundred baggage handlers and ticketing agents employed by Globe Ground launched a three-and-a-half hour warning strike as part of a dispute over wages that delayed flights at Tegel. Labour union representatives warned of similar disruptions to come at Berlin's Schoenefeld Airport. (Getty Images)
Willie Walsh has always been one of the most outspoken chief executives in the aviation industry but now having steered British Airways and Iberia back into the black, the Irishman is proving there is metal behind his words.