Going offshore requires chartering boats and hiring sailors.
（1）Navigator: High-quality navigators can improve the success rate of fish discovery and reduce the rate of ship loss.
（2）Energy: Only when the energy is sufficient can you go to sea.
（3） Inventory: the loading capacity of the vessel, after exceeding the loading capacity, the goods need to be stored in the fishing ground or temporarily stored in the port
（4）Thruster: Generate thrust by consuming a certain amount of energy, driving the ship to move forward faster
（5）Port: provide temporary docking supply energy, docking. (Private island can be built)
（6）Shipyard: Ships with low durability will not be able to sail and need to enter the shipyard for maintenance
Expedition vessel
Thruster
Remark:
After the durability drops to the lower limit, it will not be able to continue to be used, and the thruster must be repaired to continue working