Col. Joseph Barnum

Col. Barnum is the commander of the 11th Mission Support Group, 11th Wing, Joint Base Anacostia-Bolling, Washington, D.C. As the 11th MSG commander, he is responsible for providing contracting, logistical, personnel, communications, infrastructure, and installation security services in support of the 11th Wing and its 74 mission partner units. The 966-acre installation is home to a range of military and civilian agency mission partners, including Marine Helicopter Squadron One, the White House Communications Agency, the Joint Air Defense Operations Center, the Defense Intelligence Agency, United States Coast Guard Station Washington, Navy and Air Force Ceremonial Guards, as well as more than 18,000 military and civilian employees and their families throughout the National Capital Region.

Col. Barnum graduated from Hawaii Pacific University and was commissioned into the Air Force through Officer Training School in 2004. He has served in a variety of financial management assignments at base, center, and headquarters Air Force levels. He deployed in support of United States Forces – Iraq and has commanded the 22nd Comptroller Squadron and 39th Comptroller Squadron.

Prior to this assignment, he was the Deputy Director, Budget Investment at Office of the Assistant Secretary of the Air Force for Financial Management and Comptroller, Pentagon, Arlington, Va., where he planned, directed and supervised the budget formulation and ﬁnancial execution of Air Force procurement, research, development, test and evaluation, military construction, family housing and base realignment and closure appropriations that totaled more than $140 billion annually.

EDUCATION

2003 – Bachelor of Science in Finance, Hawaii Pacific University
2009 – Master of Science in Cost Analysis, Air Force Institute of Technology
2012 – Squadron Officer School, Maxwell AFB, Ala.
2016 – Master of Military Operational Art and Science, Air Command and Staff College
2023 – Air War College, Air University

ASSIGNMENTS

July 2004 – August 2007, Budget Analyst, Andrews Air Force Base, Md.
August 2007 – March 2009, Student, Air Force Institute of Technology, Wright-Patterson AFB, Ohio
April 2009 – June 2013, Cost Analyst, Aircraft and Weapons Division, Pentagon, Arlington, Va.
June 2013 – July 2015, Deputy Chief, SBIRS Cost Branch, Los Angeles AFB, Calif.
July 2015 – June 2016, Student, Air Command and Staff College, Maxwell AFB, Ala.
June 2016 – June 2018, Commander, 22nd Comptroller Squadron, McConnell AFB, Kan.
June 2018 – June 2019, Commander, 39th Comptroller Squadron, Incirlik Air Base, Turkey
June 2019 – June 2022, Chief Financial Officer, F-15, MATAC, AFLCMC, WPAFB, Ohio
June 2023 – June 2024, Senior Military Assistant, Deputy Under Secretary of the Air Force, Management, Pentagon, Arlington, Va.
June 2024 – July 2026, Deputy Director, Budget Investment at Office of the Assistant Secretary of the Air Force for Financial Management and Comptroller, Pentagon, Arlington, Va.
July 2026 – Present, Commander, 11th Mission Support Group, JBAB, Washington, D.C.

MAJOR AWARDS AND DECORATIONS

Defense Meritorious Service Medal
Meritorious Service Medal
Air Force Commendation Medal
Joint Service Achievement Medal
Air Force Achievement Medal

EFFECTIVE DATES OF PROMOTION
Second Lieutenant        June 25, 2004
First Lieutenant           June 25, 2006
Captain                        June 25, 2008
Major                          January 1, 2015
Lieutenant Colonel June 1, 2019
Colonel                       October 1, 2025

(Current as of July 2026)