The service says there are sufficient quantities of the airborne system to support the National Defense Strategy.

The Pentagon has identified a problem with the Sikorsky CH-53K King Stallion that could cause pilots to lose control when the heavy-lift helicopter transitioned from ground to flight and intends to flight test a fix at the end of the month.

The nearly $4 billion in procurement reprogramming is taken from the U.S. Navy, Air Force, and National Guard.