[1] He graduated from The Basic School and was assigned to 1st Battalion, 3rd Marines as rifle platoon commander and company executive officer.

He deployed with 15th Marine Expeditionary Unit during Operation Restore Hope in Somalia.

He served a brief tour as Guard Officer, Marine Corps Security Force Company, Naval Station Roosevelt Roads.

As a colonel, Beaudreault was assigned as Commanding Officer, 15th Marine Expeditionary Unit and deployed a second time during Operation Iraqi Freedom.

Beaudreault's staff and joint duty assignments include Inspector-Instructor, 3rd Battalion, 23rd Marines; student, United States Army Command and General Staff College; Executive Officer, 1st Marine Regiment; student, Naval War College; Ground Plans Officer, Operations Directorate, United States Central Command; student, Higher Command and Staff Course, Defence Academy of the United Kingdom; Deputy Director, Future Joint Force Development, Joint Staff (J7); Director, Expeditionary Warfare School.