Yep read all that, in the link you providedAll three - His relief was announced earlier this year with handover originally due for some time within the next few weeks, then into retirement.
Whilst it makes sense to get the new man in early he was definitely pushed:
<<... Adm. Scott Swift, commander of U.S. Pacific Fleet, dismissed Aucoin "due to a loss of confidence in his ability to command," the U.S. Pacific Fleet said in a statement.
It said Rear Adm. Phil Sawyer will assume command of the 7th Fleet immediately. Aucoin had expected to retire this year, but his superiors decided to push his departure date due to concerns over his leadership skills, the New York Times reported. Aucoin has commanded the Japan-based fleet since September 2015...>>