Then came Pearl Harbor and the Army. As a soldier, Colonel Welch served through World War II and for some ten years after in various posts in the United States, the Africa-Middle East Theatre, and Japan. During the Korean War, he commanded an artillery battalion at the Inchon landing, the assault on Seoul, and the march to the Yalu River.
Subsequently, Pearl Harbor occurred, and the military took over. Colonel Welch, as a soldier, served through World War II and for about ten years afterwards in various positions within the United States, the Africa-Middle East Theatre, and Japan. During the Korean War, he led an artillery battalion during the Inchon landing, the assault on Seoul, and the march to the Yalu River.