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A Jetstar Japan Co. aircraft taxies at Narita Airport in Narita City, Chiba Prefecture, Japan, on Tuesday, July 3, 2012. Jetstar Japan Co., part-owned by Qantas Airways Ltd. and Japan Airlines Co., started flights, becoming the second of three low-cost carriers to begin services in the country this year. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images

A Jetstar Japan Co. aircraft taxies at Narita Airport in Narita City, Chiba Prefecture, Japan, on Tuesday, July 3, 2012. Jetstar Japan Co., part-owned by Qantas Airways Ltd. and Japan Airlines Co., started flights, becoming the second of three low-cost carriers to begin services in the country this year. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images