In June 1969, Landreneau enlisted in the Louisiana National Guard as a
private. In 1971, he attended Louisiana State
Officer Candidate School, where he was issued a
commission as a
second lieutenant. He served as a
platoon leader in the 3671st Maintenance Company (
LAARG,
Alexandria, Louisiana), and again with Detachment 1 Company C, 769th Engineer Battalion, (LAANG,
Jena, Louisiana). In September 1973, he was awarded his first
military command with Detachment 1, 2225th Engineer Company, (LAANG, Jena, Louisiana). In October 1978, after commanding the 2225th Engineer Company, Company C, 527th Engineer Battalion, and Company A, 527th Engineer Battalion, he transitioned to
staff duties in
Operations (S-3). In September 1986, he took command of 527th Engineer Battalion, (LAANG,
Bossier City, Louisiana). In December 1990, the Battalion was mustered into the
National Guard of the United States under
Title 10 of the United States Code, where it deployed to
Saudi Arabia in support of
Operation Desert Storm. In September 1995, he became the commander of the
256th Infantry Brigade headquartered in
Lafayette, Louisiana, where he served for two years before appointment to
The Adjutant General headquartered in
New Orleans, Louisiana. Landreneau, as a major general, held the position of The Adjutant General of the Louisiana National Guard for fourteen years until Brigadier General
Glenn H. Curtis assumed command in November 2011.
Military awards •
Legion of Merit (with 1 Oak Leaf Cluster) •
Bronze Star Medal •
Meritorious Service Medal (with 1 Oak Leaf Cluster) •
Army Commendation Medal •
Army Achievement Medal •
Army Reserve Components Achievement Medal (with 1 Silver Oak Leaf Cluster) •
National Defense Service Medal •
Southwest Asia Service Medal (with 2 Bronze Service Stars) •
Humanitarian Service Medal •
Armed Forces Reserve Medal (with Hourglass Device and M Device) •
Army Service Ribbon •
Army Reserve Components Overseas Training Ribbon (with Numeral One) •
Kuwait Liberation Medal (Saudi Arabia) •
Kuwait Liberation Medal (Kuwait) ==Personal life==