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美国空军航空教育与训练司令部(AETC)承认,美国空军已在2013财年预算申请中,将新一代高级教练机购买合同的授予时间节点推迟了1年,即由原定的2015财年(2014年10月1日～2015年9月
The Air Force’s Aviation Education and Training Command (AETC) acknowledged that the U.S. Air Force had postponed the grant of a new generation of advanced trainer purchase contracts by one year in the FY2013 budget application, from the original FY2015 October 1, 2014 ~ September 2015