"I certainly don't question his motives," Vice Adm. Bill Merz said of Crozier, who was relieved from the USS Roosevelt after speaking out about the coronavirus.
More than 400 sailors on the Theodore Roosevelt have tested positive for coronavirus after Crozier raised an alarm. Modly is now in quarantine.
The aircraft carrier now has more than 400 confirmed cases after its captain was ousted for expressing concern about the virus.
The Navy head had lambasted Capt. Brett Crozier, who was removed from command of a coronavirus-stricken warship.
After facing heat for his criticism of Captain Brett Crozier, Thomas Modly walked back his comments on Monday. "I think ... the opposite," Modly said.
Thomas Modly shocked the crew when he slammed Capt. Brett Crozier for sending an email about the coronavirus outbreak on board. Modly later apologized.