By Official U.S. Navy Page from United States of AmericaMC2 Kaila V. Peters/U.S. Navy - Multiple aircraft from Carrier Air Wing 5 fly in over USS Ronald Reagan (CVN 76)., Public Domain, https://commons.wikimedia.org/w/index.php?curid=82992098
Tensions heat up in South China Sea as US makes significant show of force | CNN
The ships that were seen were the USS Nimitz and USS Ronald Reagan. They have only operated together twice since 2001. The U.S. Navy made a statement saying that this was an effort to stand up for all nations to fly, sail, and operate under international law. This has caused tensions to rise between the two countries.