The Chinese ships never entered US territorial waters, but news of their activity comes during a new round of sparring in the South China Sea.
Chinese state-affiliated media criticized the aircraft carrier's arrival in the South China Sea, calling it a "provocative deployment."
Cruiser submarines featured large external guns, but their long ranges and major firepower weren't enough to overcome their flaws.
The US Navy says its cruisers are too old and too expensive, but Congress says they're too well armed to get rid of without a replacement.
"We had 23 new technologies on that ship, which quite frankly increased the risk … right from the get-go." Adm. Michael Gilday said in July.
The promise of publicity "sometimes attracts people for the wrong reasons," a former SEAL officer said. "That's dangerous in a leadership position."
The sailor will become a Special Warfare Combatant-Craft crewman, one of the smallest special-operations career fields.
The USS Carl Vinson set sail on Monday with the Navy's most advanced fighter aircraft onboard.
As Nixon resigned in disgrace, 178 Americans on the other side of the world pulled off one of the most audacious intelligence operations in history.
"We're the Navy's naval commandos. That's what we are, and we understand our roots," the head of Naval Special Warfare Command said in June.
"We're not going to do that first," Adm. Robert Burke said, "but I'm also not going to ask my commanding officers to take the first shot on the chin."
"Within the space of the week, we went from sweating at every step to bundled up and seeing our breath," a USS Theodore Roosevelt sailor told Insider.
The incidents and exercises were messages about Russia's military capabilities and what it could do with them, experts told Insider.
A Navy spokesperson said the service is halting the project this year to free up funding for other priorities, like hypersonic weapons and lasers.
An area of focus is anti-submarine warfare, which has gained attention as Russia's and China's sub fleets grow.
For over a century, periscopes have been sub commanders' window to the outside world, but the traditional periscope may soon be a relic.
The Spanish-American War made the US a global power, and one of the islands it captured during the war is still an important military hub.