Updated at 4:25 a.m.
Vice Adm. Joseph Aucoin, the three-star commander of the U.S. 7th Fleet was relieved of command on Wednesday. The fleet is based in Yokosuka, Japan.
A statement from the Navy explains why Aucoin was dismissed.
"Adm. Scott Swift, commander of U.S. Pacific Fleet, today relieved the commander of Seventh Fleet, Vice Adm. Joseph Aucoin, due to a loss of confidence in his ability to command.