In article ,
John Cook wrote:

In addition to the F-22 standing out as an example of this problem, we
had the F-15, F-16, B-1, C-5, and C-130 -- multi-billion-dollar
programs -- all slated for modernization.

This is normal. When we build new planes, and create new systems, older
planes get upgrades from the lessons learned on the new ones.

--
cirby at cfl.rr.com

Remember: Objects in rearview mirror may be hallucinations.
Slam on brakes accordingly.