U.S. Air Force To Upgrade 300 F-16s

The U.S. Air Force will upgrade between 300 and 350 F-16C Block 40 and 50 fighters with new avionics and increased airframe life, a three-star general said before Congress. Testifying Nov. 2, Lt. Gen. Herbert "Hawk" Carlisle, Air Force deputy chief for operations, plans and requirements, also said the service doesn't have enough trained UAV pilots, and that the U-2 isn't quite ready for retirement.

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