Plumley didn't have an MoH. I think he didn't have anything north of a Silver Star.
His awards:
Medals, Awards and Badges
Silver Star Medal with Bronze Oak Leaf Cluster
Legion of Merit
Bronze Star Medal with Valor Device and Bronze Oak Leaf Cluster
Purple Heart with 3 Bronze Oak Leaf Clusters
Air Medal with Award Numeral 9
Army Commendation Medal with Valor Device
Army Good Conduct Medal with 1 Gold Knot (11 Awards)
American Campaign Medal
European-African-Middle Eastern Campaign Medal with Arrowhead Device, Silver and 3 Bronze Campaign Stars
World War II Victory Medal
Army of Occupation Medal
National Defense Service Medal with Bronze Star
Korean Service Medal with Arrowhead Device and 3 Bronze Stars
Armed Forces Expeditionary Medal
Vietnam Service Medal with Silver and 3 Bronze Campaign Stars
Vietnam Cross of Gallantry with Bronze Star
French Croix de Guerre (WWII Service)
Belgian Croix de Guerre (WWII Service)
United Nations Service Medal for Korea
Vietnam Campaign Medal
Republic of Korea War Service Medal
Army Presidential Unit Citation with 2 Bronze Oak Leaf Clusters
Army Meritorious Unit Commendation
Republic of Korea Presidential Unit Citation
Vietnam Gallantry Cross Unit Citation with Palm
Vietnam Civil Actions Medal
Combat Infantryman Badge with 2 Stars (3 Awards)
Master Parachutist Badge with Gold Star (Indicates 5 Combat Jumps)
He also received the Order of Saint Maurice Primicerius, Doughboy Award, and Vietnam Army Basic Parachutist Badge