While serving as a paratrooper in the U.S. Army, he incurred a badly fractured leg that ended his football career, but led him to his future wife, a nurse he met while recuperating.

Musseau's 1965 Vandals, with fullback Thunder Ray McDonald, won the Battle of the Palouse over neighbor Washington State for the second straight year, this time on the road in Pullman, and finished at 5–5.

Under Andros, Idaho viewed the six-team Big Sky as an answer to its basketball scheduling problems, as well as other sports, but had desired to continue as an independent at the top level in football.

Although his 13–17 (.433) record was better than each of the previous eight head coaches, pressure from alumni and boosters forced Musseau's resignation,[5] despite a signed petition by the Vandal football players that he remain for a fourth year.

[2] For several seasons in the mid-1990s, Northwestern head coach Gary Barnett brought in Musseau as an inspirational mentor on adversity, including their 1995 run to their first Rose Bowl in nearly a half century.