U.S. Air Force Identifies Pratt & Whitney, Other Suppliers of B-21
The disclosure by Air Force Secretary Deborah Lee James of major B-21 suppliers is the latest information released on the secretive program.
U.S. Air Force Secretary Deborah Lee James and Chief of Staff Gen. Mark Welsh III brief reporters at Pentagon. (Photo:  U.S. Air Force)
U.S. Air Force Secretary Deborah Lee James and Chief of Staff Gen. Mark Welsh III brief reporters at Pentagon. (Photo: U.S. Air Force)