Czech Republic | People's Republic of China | Vietnam | Vietnam War | Republic of Ireland | Dominican Republic | Democratic Republic of the Congo | Socialist Federal Republic of Yugoslavia | United States Marine Corps | United States Army Corps of Engineers | Republic of Venice | Republic of Macedonia | South Vietnam | Roman Republic | Peace Corps | Royal Flying Corps | marine | Dutch Republic | Weimar Republic | North Vietnam | Republic of Genoa | The New Republic | Republic of Texas | United States Army Air Corps | Second Spanish Republic | Second Polish Republic | Republic of the Congo | Central African Republic | Royal Army Medical Corps | Civilian Conservation Corps |
Sub Unit One provided naval gunfire and close air in support of South Vietnamese Army and Marine units, South Korean Army and Marine units, Australian and New Zealand Armed Forces as well as United States Army and Marine combat Divisions.