Markey later received a Distinguished Service Medal for acting as Brigade Adjutant in addition to his duties as commander of the Machine Gun Battalion, 58th Brigade, 29th Division in 1918 north of Verdun. He eventually took command of the 115th Infantry Regiment.
Markey was later honored with a Distinguished Service Medal for his role as Brigade Adjutant, in addition to leading the Machine Gun Battalion, 58th Brigade, 29th Division, in 1918 near Verdun. He subsequently assumed command of the 115th Infantry Regiment.