in charge of overseeing military affairs in Xinling (), Xiling (), Yidao (), Le District (), and Gong'an counties, with his administrative centre at Le District (east of present-day Songzi, Hubei). Proposing 17 policy changes When Lu Kang heard that there were many flaws in the Wu government's policies, he became worried so he wrote a memorial to Sun Hao as follows: The 17 policy changes proposed by Lu Kang were lost over time. Speaking up against corruption in the Wu government When the official He Ding () was abusing his authority and eunuchs were interfering in state affairs, Lu Kang wrote a memorial to advise Sun Hao: Battle of Xiling Initial stages In 272, Bu Chan, the military commander stationed at Xiling (西陵; around present-day Yichang, Hubei), started a rebellion against Wu and wanted to defect to the Jin dynasty. When Lu Kang received news of the revolt, he immediately ordered his subordinates Zuo Yi (), Wu Yan, Cai Gong () and others to lead separate forces and head towards Xiling as directly as possible. He instructed his men to construct defensive structures all the way from Chixi () to Gushi () to form an encirclement around Bu Chan's position, while at the same time defending the area from attacks by Jin forces. He ordered them to work day and night to complete the construction works as if the enemy had already arrived, resulting in his soldiers being all tired and worn out. Lu Kang's subordinates said: "With our current strength, we can attack Bu Chan and destroy him before Jin forces arrive. Why are we exhausting ourselves by constructing defensive structures instead?" Lu Kang explained: "Xiling's fortifications are very stable and it has sufficient supplies. Besides, I was the one who oversaw the construction of Xiling's defences. If we attack it now, I don't think we can conquer it easily. If Jin forces show up and we don't have adequate defensive structures, we will be trapped in between Bu Chan and Jin and have nothing to protect ourselves from the enemy." The officers repeatedly urged Lu Kang to attack Xiling but he refused. Eventually, Lei Tan (), the Administrator of Yidu Commandery, came to see Lu Kang and used kind words to persuade him to attack Xiling. To prove that he was right, Lu Kang relented and ordered an assault on Xiling. As he expected, they did not