As dusk began to fall, Li Guang grew somewhat disappointed; it seemed another day's wait had been in vain. At night, unless the ships were extremely close, it was difficult for a Japanese cargo ship to spot two small boats. Sea routes were not as clearly defined as those on land; a deviation of one or two nautical miles was considered minor, and deviations of thirty or fifty nautical miles were not uncommon. In those days, there was no GPS.
Li Guang recorded a work plan: "An intelligence station must be established in Panama as soon as possible." As Li Guang's understanding of war deepened, he realized that intelligence was essential for both fighting and intelligence gathering.
Li Guang had just put down his pen and stretched when Zheng Xuechang shouted, "A fight has broken out!"
At a
