Question: During which war did the commander serve the "Tropic Lightening"? 
Related documents: [0]  [DOC] Lieutenant General Samuel Tankersley Williams (August 25, 1897 – April 26, 1984) was a senior United States Army officer. Williams became prominent in army history for being reduced in rank from brigadier general to colonel, and then resuscitating his career to again advance to general officer rank. He also commanded the 25th Infantry Division during the Korean War and served as commander of Military Assistance and Advisory Group – Vietnam, the predecessor to Military Assistance Command – Vietnam. [END] 
[1]  [DOC] The 25th Infantry Division (nicknamed "Tropic Lightning" and the "Electric Strawberry" is a U.S. Army division based in Hawaii. The division, which was activated on 1 October 1941 in Hawaii, conducts military operations in the Asia-Pacific region. Its present deployment is composed of Stryker, light infantry, airborne, and aviation units. [END] 
Answer: 
Korean War
Korean War