[4] After graduation, he trained with the United States Air Force in the F-4 Phantom II and later the F-16 Fighting Falcon fighter aircraft.

He rose to the rank of lieutenant colonel in the Vermont Air National Guard, serving as instructor pilot, operations support flight commander of the 158th Fighter Wing.

Serving in that role, Dubie earned a Meritorious Service Medal, First Oak Cluster, for his actions at Ground Zero in New York City following the September 11 attacks.

He received the Meritorious Service Medal, Second Oak leaf Cluster, and the Air Force Commendation Medal, First Oak Leaf Cluster, for outstanding achievement at 1st Air Force Hurricane Katrina Operations Center.

On June 2, 2012, Dubie retired from the military in a ceremony held at Camp Johnson, the Colchester headquarters of the Vermont National Guard.

[10][11][12] Dubie and his wife Penny have four children: daughters Emily and Casey, and sons Jack and Matt.

[4] Dubie's brother, Michael Dubie, served as Adjutant General of Vermont and deputy commander of United States Northern Command, attaining the rank of lieutenant general in the United States Air Force before retiring in 2015.