The United States, "Aerospace Daily" published an article: March 11, 2010, the U.S. Department of Defense procurement director Ashton Carter to the Senate in the Congress, said, JSF, the average price of stand-alone rose from 50 million U.S. dollars to 95 million U.S. dollars. In order to measure the real value of today's U.S. dollars, F-35 stand-alone prices are expected to reach 112 million U.S. dollars. The average price includes stand-alone development, procurement and field testing fee. The huge cost overrun indicates that the Air Force "has" notified Congress of the JSF will cost more than the Nunn - Maike Di Act (Nunn-McCurdy) under the restrictions, which will launch the JSF project to replace model assessment. U.S. Air Force, Navy and Marine Corps are expected to purchase 2443 JSF aircraft. U.S. Air Force F-35A assessment will be in 2016, initial operational capability (IOC), which last week that in 2015 the formation of IOC. March 3, "Procurement Decision Memorandum" decision will be in April 2016 ended the use of test, F-35C planned 2016 initial operational capability, F-35B planned for initial operational capability by 2012. Lead to cost increases include: 2006 pairs of F-35 carried out in weight-loss design, development program tardiness, manpower and management fees increased versatility lower reduction in the number of production and raw material prices (especially titanium) and important sub - contract cost increases.