Arthur Seymour Champeny was a United States Army officer, reaching the rank of Brigadier General. He is the only American to earn the Distinguished Service Cross in three different wars. In addition to his three Distinguished Service Crosses, he was awarded the Silver Star, two Legions of Merit, five Purple Hearts, two French Croix de Guerre, the French Legion of Honor, and the Italian Bronze Medal of Military Valor.

The Korean Military Advisory Group (KMAG) (officially United States Military Advisory Group to the Republic of Korea) was a United States military unit of the Korean War. It helped to train and provide logistic support for the Republic of Korea Army.