日本航空自卫队一架战机要花多少钱?培养一名飞行员需要多少投入?战机上所搭载的“坛坛罐罐”又是怎样一笔开支?这里仅将在可能的范围内所做的调查公之于众。在回答日本众议院预算委员会的质询时,防卫厅答复: How much does it cost Japan Airlines SDF to fly a fighter? How much investment is needed to train a pilot? How much is a “jar jar” on a fighter plane? Only surveys to the extent possible are made public. In reply to a question raised by the Japanese House Budget Committee, the Defense Agency replied: