由于反恐战争与金融危机的影响，美国财政状况日益严峻，迫使奥巴马政府大幅削减联邦预算，国防费的削减首当其冲。奥巴马政府第一任期内美国国防部采取了一系列军事调整举措。2013年自动减支措施的生效给美国的防务费用带来进一步冲击，国防部采取了新一轮军事调整。2016财年自动减支措施是否恢复尚不确定。
Mainly because of the effects of anti-terrorist wars in Afghanistan and Iraq and a financial crisis，US financial situation has become increasingly severe，which forces the Obama administration to slash federal budget，and defense spending is the first to bear the brunt of cuts. In this context，US department of defense has taken a series of military adjustment measures. The budget sequestration in 2013 brings further impact on US defense spending，which stimulates the department of defense to take a new round of military adjustment. At present，this adjustment is ongoing. It is uncertain whether the sequester will resume or not in FY 2016，the resulting military adjustment remains to be seen.
