Prior to entering the Marine Corps, he coached football at Pennsylvania State University under the tutelage of Joe Paterno.

Before assignment to the Fleet Marine Force, he graduated from The Basic School and Infantry Officers Course.

In 1981, Lefebvre served as a Guard Company commander of the Marine Barracks at Naval Weapons Station Earle.

[1] In 2003, Lefebvre directed the Marine Air-Ground Task Force Staff Training Program at Marine Corps Combat Development Command until 2004, when served as the Deputy Director of Operations at United States Pacific Command until 2006.

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