The Pentagon estimates the first few production runs for F-35s are exceeding cost projections by...

|By:, SA News Editor

The Pentagon estimates the first few production runs for F-35s are exceeding cost projections by close to $1B, of which the government will have to pay an extra $635M. The defense contractors on the job, Lockheed Martin (LMT -0.9%) and Pratt & Whitney (UTX -1.9%), will have to pick up the remaining part of the tab.