金融危机爆发以来,美国经济持续低迷,财政年年吃紧。在此背景下美国军费不得不相应削减,其中空军装备预算削减更为明显。预算大量削减致使美国空军装备更新计划无法正常执行,预定采购的新型战机数量被迫大打折扣。美国军方表示,由于削减预算,美国空军不得不继续使用已经老旧的战机,这对空军执行作战任务的能力产生不利影响。为了扭转经费缩减带来的不利局面,保持美国空军世 Since the outbreak of the financial crisis, the U.S. economy has been in a sluggish economy with a tight fiscal year. In this context, the U.S. military spending has to be reduced accordingly, with a more pronounced reduction of the Air Force’s equipment budget. Heavy budget cuts led to the failure of the Air Force’s equipment renewal program to be implemented normally. The number of new fighters scheduled for procurement was greatly reduced. The U.S. military said the U.S. Air Force had to continue to use its already old fighters due to budget cuts, which negatively affected the Air Force’s ability to carry out operational tasks. In order to reverse the unfavorable situation brought by the reduction of funding, the United States Air Force maintained its position