The Navy sacked the commander of a nuclear-powered attack submarine last week, the latest in a string of firings of senior naval leaders for unspecified reasons in recent months.
The US Navy has relieved two destroyers' commanders, a top officer of the USS Bulkeley, the commander of the Recruit Training Command, and the commanding officer of an Electronic Attack Squadron in just the past week.
Cmdr. Peter Lesaca, commanding officer of USS Preble, was relieved of his duty on June 14. On Wednesday it emerged that he had been arrested on suspicion of driving under the influence.