Boeing Co. is feuding with Aerojet Rocketdyne, a key supplier for its Starliner spacecraft, as the U.S. aerospace giant races to test launch the uncrewed astronaut capsule and mend its reputation in the space sector, people familiar with the matter said.

(SOURCE) https://www.cnn.com/2022/05/11/tech/boeing-supplier-clash-starliner/index.html