According to Hong Kong Wenhui.com reported on May 31, in the morning, a good news came from Shandong: China’s first domestic aircraft carrier has successfully completed the sixth sea trial and officially returned to the Dalian Shipyard dock. The sea trial started on the 25th. For a total of six days, what is the content of this sea trial? A small detail on the deck reveals the contents of the sea trial. From the published photos, we can see that there are tire marks left on the deck blocking cable when the carrier aircraft landed. This is usually a carrier aircraft. The mark that will be left after the takeoff and landing. It can be seen that the main purpose of the aircraft carrier sea test is the issue of take-off and landing of carrier aircraft.