The sailor was a second-class petty officer, according to data from the Naval Safety Center, which tracks mishaps at sea
Lt. Natalie Combs was censured in April for failure to perform her duties.
The Arleigh Burke-class guided-missile destroyer is undergoing sea trials.
Ten sailors aboard the McCain were killed when the destroyer turned into an oil tanker in the Singapore Strait.
Insufficient training, severe fatigue and a lack of oversight led to a fatal 2017 Navy collision, according to a new report.
A search-and-rescue mission is underway in the Arabian Sea after a man-overboard incident aboard the USS Lincoln.
Fifty USS McCain sailors were recognized for bravery and damage-control efforts two years after the destroyer's collision.
It's been 30 years since an explosion inside the number two gun turret on the USS Iowa killed 47 American sailors.
Adm. John Richardson will withdraw and dismiss charges against Cmdr. Bryce Benson and Lt. Natalie Combs.