A Navy spokesman said the accident occurred Friday evening on board the USS Carl Vinson.
The Army, which called the incident "a tragic accident" that happened late Friday afternoon, has been sketchy on details.
Commanders can reinstate sailors to the higher rank six months after demotion if the offenses are minor.
Lance Cpl. Cody J. Haley, assigned to the 1st Marine Division, was 20 years old.
The USS Shiloh crew member went missing on Friday night, about 180 miles east of Okinawa.
Sailors will be assessed a year after they arrive at their duty stations and will receive year-round counseling.
An enlisted woman in basic military training at Joint Base San Antonio plans to begin TACP training in the next few months.
Enlisted airmen hoping to become drone pilots may find out by the end of this month if they have been selected to begin train...
In this exclusive commentary for Military.com, the chief of naval personnel explains how the new system will work going forwa...
The enlisted airmen, only identified by first names Mike and Alex, fulfilled the historic milestone on Nov. 3.