[1] After three years in business in Portland, in 1940, BeLieu enlisted in the United States Army as a second lieutenant.

There, he served as executive officer to two Secretaries of the Army, Frank Pace and later Robert T. Stevens.

Upon leaving the army, BeLieu attended Harvard Business School's six-week Advanced Management Program in 1955.

[3] In February 1961, President of the United States John F. Kennedy appointed BeLieu Assistant Secretary of the Navy (Installations and Logistics), a post he held for four years.

BeLieu died of cancer February 10, 2001, at the age of 87 at the Johnson health center within the Falcons Landing retirement community in Sterling.