It’s a non story. He’s a presidential appointee. He submitted his resignation letter 30 days ago. Pentagon ordered him relieved from duty 0001 20 01 17. Plus, he’s 65 and served for 16 years.
You forgot to mention that he’s black, hence the FSM* faux-outrage.
*FSM = Fake Stream Media
Military units change command all the time. They have this. The Soldiers doing the real work won’t even notice. Part of the process. Non story.