Deep in the blue waves, warships line up in formation. Recently, a naval detachment organized a fleet to conduct multi-disciplinary training in a certain sea area. Deployment of hovercraft entering and exiting the dock Just arrived at the training sea area, the battle alarm suddenly sounded. Subsequently, the hovercraft carrying landing forces successively exited the dock and launched an attack on the target beach. During the voyage of a certain ship, the radar position report detected an unknown target flying close, and the commander immediately ordered to determine the nature of the target and prepare for air defense. Quickly, the target was identified as an "enemy" missile, and the commander ordered the secondary artillery to fight back. The secondary gun operator keeps a close eye on the screen, constantly monitoring the target situation. The target entered the range, and the operator decisively pressed the fire button. A shell whistled out and hit the target directly. The aerial threat has just been lifted, and the damage management center has reported a special situation of "fire" in the dock cabin. At the command, the damage control team quickly put on fireproof clothes and rushed to the scene with firefighting equipment. Before long, the 'fire' was brought under control. Set up insurance bureaus and practice hard skills. During several days of training, the detachment focused on refining key and difficult subjects such as carrier based aircraft takeoff and landing, hovercraft docking, and comprehensive attack and defense, enhancing the organization, command, and emergency response capabilities of officers and soldiers. The formation sailed. The secondary artillery fights against the "enemy" target. The damage management team quickly dealt with the 'fire situation'. Ship based helicopter takeoff and landing training.