"How is the nautical chart I asked you to prepare coming along?" In the room, Chen Feng inquired of Xu Hongzhuang.
The sea is ten times bigger than the land and its features aren't as easily identifiable as those on land. Without a nautical chart, it's easy to get lost in the endless ocean and die stranded.
In peacetime, satellite navigation would naturally allow free passage, but lacking maintenance, the satellites in the sky have long since lost function. Even though Chen Feng's power is not weak, tackling the sky is beyond his capability.
