Fort Detrick is a United States Army Futures Command installation located in Frederick, Maryland. Fort Detrick was the center of the U.S. biological weapons program from 1943 to 1969. Since the discontinuation of that program, it has hosted most elements of the United States biological defense program.
United States Army Garrison Fort Buchanan, is a United States Army installation in Puerto Rico. It is located in the metropolitan area of the capital, San Juan.
William A. Navas Jr. is a retired United States Army major general who served as the director of the Army National Guard. He is also the first Puerto Rican to be named an Assistant Secretary of the Navy.
Second Lieutenant Carmen Maria Lozano Dumler, RN,, was one of the first Puerto Rican women to become a United States Army officer. During World War II, she served as a nurse and interpreter, and provided support for patients who spoke Spanish. Lozano Dumler has since been featured in promotional and recruitment materials that celebrate diversity in the US military.
Colonel Héctor Andrés Negroni is a United States Air Force officer, historian, senior aerospace defense executive, author, and the first Puerto Rican graduate of the United States Air Force Academy. He was commissioned by Spain's Fifth Centennial Commission to write the "Historia Militar de Puerto Rico".
Michael Joseph Montelongo was nominated by President George W. Bush as the Assistant Secretary of the Air Force for Financial Management. He was formerly a Senior Project Manager with Cap Gemini Ernst & Young in Atlanta, Georgia, and has been with Ernst & Young since 1999. He was previously Chief of Staff and Director of Small Business Services for BellSouth Telecommunications, Inc. From 1995 to 1996, he was a Congressional Fellow in the office of Senator Kay Bailey Hutchison and, from 1994 to 1995, he served as Special Assistant to the Chief of Staff of the United States Army. Hon. Montelongo served as Chief of Staff and General Manager of Operations General Management at Fort Bliss, Texas, from 1992 to 1994 and was a Senior Analyst and associate professor at the U.S. Military Academy at West Point, NY from 1988 to 1991. He is a twenty-year veteran of the U.S. Army, a graduate of the U.S. Military Academy, and received an M.B.A. from Harvard Business School.
Eric B. Schoomaker is a former United States Army lieutenant general who served as the 42nd Surgeon General of the United States Army and Commanding General, United States Army Medical Command, and a practicing hematologist. He previously served as Commanding General, North Atlantic Regional Medical Command and Walter Reed Army Medical Center. He assumed the post of U.S. Army Surgeon General on December 11, 2007.
The Under Secretary for Benefits (USB), in the United States Department of Veterans Affairs, directs the Veterans Benefits Administration through regional offices in 50 states, the District of Columbia, Puerto Rico, and the Philippines. The Under Secretary is responsible for the administration of benefits provided by the Department to veterans and dependents, including compensation, pension, education, home loan guaranty, vocational rehabilitation, and life insurance.
James Benjamin Peake was the sixth United States Secretary of Veterans Affairs, serving from 2007 to 2009. In 2004, he retired from a 38-year United States Army career. He also served as the 40th Surgeon General of the United States Army.
Lester Martínez López is an American government official and former Army general who serves as the Assistant Secretary of Defense for Health Affairs since 2023. While in the United States Army, Martínez López was the first Hispanic to head the Army Medical and Research Command at Fort Detrick, Maryland. His responsibilities included overseeing the Army Medical Research Institute of Infectious Disease, which develops antidotes and vaccines for diseases soldiers might face on the battlefield.
Major General Enrique Méndez Jr. Grau, was a United States Army officer who was also the first Puerto Rican to hold the positions of Army Deputy Surgeon General, Commander of the Walter Reed Army Medical Center and Assistant Secretary of Defense for Health Affairs. He was also the Dean and President of the Ponce School of Medicine in Puerto Rico. Also served as Secretary of Health of Puerto Rico.
Brigadier General Hector E. Pagan is a United States Army officer who is the first Hispanic of Puerto Rican descent to become Deputy Commanding General of the U.S.Army John F. Kennedy Special Warfare Center and School at Fort Bragg, North Carolina.
Brigadier General Rafael O'Ferrall is an Army National Guard officer who is the Deputy Commanding General for the Joint Task Force at Guantanamo Bay, Cuba and the Assistant Adjutant General (Army) and Deputy Commanding General of the Joint Force Headquarters at San Juan, Puerto Rico.
James K. Gilman, a retired United States Army Major General and physician from Hymera, Indiana, became the first chief executive officer of the NIH Clinical Center Jan. 9, 2017. The NIH Clinical Center is the nation's largest hospital devoted to clinical research.
Daniel Robert Hokanson is a four-star general in the United States Army who currently serves as the 29th chief of the National Guard Bureau. He previously served as the 21st director of the Army National Guard. His previous military assignments include serving as vice chief of the National Guard Bureau, deputy commander of United States Northern Command, adjutant general of the Oregon National Guard, and commander of the 41st Infantry Brigade Combat Team. He is a veteran of Operation Iraqi Freedom, Operation Enduring Freedom, and Operation Just Cause. Hokanson assumed his current assignment on 3 August 2020.
Marta Carcana is a retired United States Army officer. The former Adjutant General of the Puerto Rico National Guard, she served during the administration of Governor Alejandro Garcia Padilla from 2015 to 2017 and was the first woman to hold the position.
Irene M. Zoppi Rodríguez, is a retired U.S. Army Reserve brigadier general and academic. She was the first Puerto Rican woman ever to attain that rank in the Army Reserve. Her final assignment was deputy commanding general for United States Army South as the director of the Army Reserve Engagement Cell for Individual Mobilization Augmentees. Zoppi is an adjunct professor at Strayer University. She has worked as an instructor for the National Intelligence University where she directed the university's academic center within the National Security Agency.
Carmen G. Cantor is an American diplomat who is serving as the Assistant Secretary of the Interior for Insular Affairs. She previously served as the United States ambassador to the Federated States of Micronesia.
United States of America 
United States Army 
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