U.S. troops are being advised to steer clear of genetic-testing kits over what Pentagon leaders say is a growing concern.
The Navy's top officer warned against using popular at-home ancestry DNA test kits this week.
"We will question our assumptions; we will think differently about the competition we are now in," Gilday said.
The cerebral former head of Naval Nuclear Propulsion has served through a period of service calamity and upheaval.
He dismissed charges against Eddie Gallagher's platoon commander and ordered a review of the Navy justice system.
Adm. John Richardson told reporters Wednesday that the announcements left flag officers vulnerable to cyberattacks.
Chief of U.S. Naval Operations Adm. John Richardson says he urged China to follow international rules at sea.
John Richardson listed the Navy's intention to "develop and field an offensive hypersonic weapon by 2025" as a top priority.
The U.S. Navy will continue patrolling the disputed South China Sea, Admiral John Richardson said Monday.
Richardson kept his public affairs officer on staff for months after harassment allegations came to light.