Interesting that Northrop Grumman took hold of TRW. All I can figure is NG must have “drained” the original TRW and the only TRW left after this is a tire company with an aerospace component… In Germany.
http://astronauticsnow.com/history/trw-and-aerospacecorporation/index.html
Then this: Redondo Beach was the original TRW location
https://dtsc.ca.gov/hw-projects/northrop-grumman-space-technology-redondo-beach-formerly-trw-inc/
Then finally, this: