The Navy has planned to buy about 480 of the aircraft-carrier version of the F-35, even as the stealth fighter's costs have skyrocketed and the Navy prepares to shrink its fleet of ships for lack of money. A magazine column by Adm. Jonathan W. Greenert, the chief of naval operations, suggests they may not be needed. (U.S. Air Force via Associated Press)

The Navy has planned to buy about 480 of the aircraft-carrier version of the F-35, even as the stealth fighter's costs have skyrocketed and the Navy prepares to shrink its fleet of ships for lack of money. A magazine column by Adm. Jonathan W. Greenert, the chief of naval operations, suggests they may not be needed. (U.S. Air Force via Associated Press)