The U.S.S. Abraham Lincoln in San Diego in 2021. The aircraft carrier, with a crew of about 5,000 sailors, has been at sea for more than eight and a half months.
The practice would align the United States more closely with countries like China and Russia, where spy agencies have long relied on private-sector hackers to help with national security missions.
An expert on China’s hacking ecosystem said that historically Beijing had copied various cybersecurity policies from the United States, but that the new Trump policy was a reversal of that arrangement.