"Loss of confidence"
>Rear Adm. John Ring, commander of Joint Task Force-Guantanamo, was relieved Saturday by SOUTHCOM commander Adm. Craig Faller due to a loss of confidence in his ability to command, officials said in a release. Army Brig. Gen. John Hussey, deputy commander of JTF-GTMO, is now serving as acting commander.
https://www.military.com/daily-news/2019/04/28/guantanamo-bay-admiral-fired-due-loss-confidence.html