The Pentagon noted that the F-35 program led to exceed the approved budget, making to exceed the defense procurement budget is inevitable, and the costs become unreasonable. After all, this is the F-35 program plan, analysts have long argued about the ambiguous performance of the F-35, because it has to meet many requirements. In 2008, Lockheed Martin reported that the cost of the three versions of F-35 are between $45 million and $63 million per unit. Developing cost per F-35 unit increased from $76.7 to $136.8 million between 2001 and 2012 . When using the chart2 to compare F-35 JSF with the other, it is obvious that the F-35 cost per flying hour is a twice of the F-35 cost per flying hour Rafale fighter aircraft. In addition, the F-35 cost
