|Rank||Chief Warrant Officer U.S. Army|
|Date of Death||March 15 1952|
European-African-Middle Eastern Campaign Medal
National Defense Service Medal
Republic of Korea Presidential Unit Citation
Republic of Korea War Service Medal
United Nations Service Medal
World War II Victory Medal
For his leadership and valor, Chief Warrant Officer Hollenbeck was awarded the Silver Star, Purple Heart with two Oak Leaf Clusters the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation, the Republic of Korea War Service Medal, the European-African-Middle Eastern Campaign Medal with 5 Service Stars and the World War II Victory Medal.
Chief Warrant Officer Hollenbeck was a veteran of World War II. In Korea, he was a member of the 55th Military Police Criminal Investigation Detachment, U.S. Army. On March 15, 1952, he was in a jeep that struck another vehicle in Seoul, South Korea, killing him.