Cmdr. Marc Delao, the officer in charge of construction for Marine Corps Installations-East relinquished his position in an elegant ceremony at the Marston Pavilion aboard Marine Corps Base Camp Lejeune June 14. - Cmdr. Marc Delao, the officer in charge of construction for Marine Corps Installations-East relinquished his position in an elegant ceremony at the Marston Pavilion aboard Marine Corps Base Camp Lejeune June 14.