as U.S. Ambassador to Spain (1972–1975). Vietnam War During the Vietnam War, an estimated 48,000 Puerto Ricans served in the four branches of the armed forces. According to a report by the Department of Defense, titled "Number of Puerto Ricans serving in the U.S. Armed Forces during National Emergencies" the total number of Puerto Ricans who died was 455 with 3,775 wounded. A total of 17 men were listed as Missing in Action (MIA), and of these, PFC Humberto Acosta-Rosario is the only one whose body has never been recovered. Five Puerto Ricans were awarded the Medal of Honor for actions during the Vietnam War: Staff Sergeant Felix M. Conde-Falcon, Spc4 Héctor Santiago Colón, Captain Eurípides Rubio, PFC Carlos Lozada, and Captain Humbert Roque Versace. Lance Corporal José L. Rivera, Corporal Miguel Rivera-Sotomayor, and Sergeant Angel Mendez, members of the United States Marine Corps, were awarded the Navy Cross for their heroic actions. Mendez was posthumously awarded the Navy Cross for his actions on March 16, 1967, for saving the life of his platoon commander, Lieutenant Ronald D. Castille (one of the seven justices of the Supreme Court of Pennsylvania). U.S. Senator Charles Schumer has recommended that Mendez' award be upgraded to the Medal of Honor. Another highly-decorated soldier in the Vietnam War was Sergeant First Class Jorge Otero Barreto from the town of Vega Baja, Puerto Rico. He was awarded 38 decorations, among them 2 Silver Star Medals, 5 Bronze Star Medals with "V" for Valor, 4 Army Commendation Medals, 5 Purple Heart Medals and 5 Air Medals. On September 22, 2015, the Public Broadcasting Service (PBS) documentary. "On Two Fronts: Latinos & Vietnam" by producer Mylène Moreno of Souvenir Pictures, Inc., aired nationwide on PBS and is part of PBS Stories of Service. The documentary focuses on the totality of the Latino experience in Vietnam, not just Puerto Ricans. Other Puerto Ricans who served in Vietnam and had distinguished military careers include: Major General Salvador E. Felices, Rear Admiral Diego E. Hernández, Colonel Héctor Andrés Negroni and Brigadier General Ruben A. Cubero who in 1991 became the first person of Hispanic heritage to be named Dean of Faculty of the United States Air Force Academy. Two Puerto Ricans who served in Vietnam held positions in the Administration of President George W. Bush. They are Dr. Richard Carmona, a former Green Beret who was awarded two Purple Hearts and