High Quality Content by WIKIPEDIA articles! Colonel Wilbur J. Peterkin was a Lieutenant Colonel in the United States Army during the Second World War in the China Burma India Theater, and an executive and commanding officer of the United States Army Observer Group, commonly known as the Dixie Mission. Prior to the war, Peterkin was a high school teacher in Sumner, Washington. Before commanding Dixie, Peterkin had spent almost two years in China.