Are F-35s fit for combat? Pentagon doesn't know

The military risks committing itself to buying billions of dollars of F-35 fighter jets before they have demonstrated they are fit for combat, a new Pentagon report warns. The development of the Joint Strike Fighter F-35, a fifth-generation stealth jet, has been beset by spiraling costs and schedule delays. The program's price tag is nearly $400 billion for 2,457 planes -- almost twice the initial estimate.

See the full article at CNN