From 2006 to 2007 he was Deputy Commanding General of the Combined Security Transition Command-Afghanistan.

He was the Deputy Commanding General of the Multi-National Corps - Iraq in late 2006 and early 2007.

He was appointed to the position of Deputy Commanding General of the D.C. National Guard.

In July 2007 he assumed duties as the Deputy Commanding General, I Corps.

From 1948 to 1949 he was the Deputy Commanding General of the United States Army Pacific in Hawaii.

Mizusawa was the Deputy Commanding General of the 335th Signal Command Theater.

In February 2005 he became Deputy Commanding General of the Multi-National Force - Iraq.

He served in the Vietnam War and retired in 1993 as Deputy Commanding General, Pacific Command.

He retired in 1993, at the rank of Major General, from his position as Deputy Commanding General, Pacific.

From 2006-2007 he was Deputy Commanding General of U.S. forces in Afghanistan.