Chief of Staff

Captain Donald M. Plummer

United States European Command CJTF-HOA Chief of Staff Biography

Captain Donald M. Plummer serves as the Chief of Staff, Combined Joint Task Force—Horn of Africa.

Captain Plummer was commissioned an Ensign from the University of Pennsylvania NROTC in 1991. Upon graduation, he attended Basic Underwater Demolition/ SEAL Training (Class 184) graduating in 1992.

Captain Plummer has served at continuous levels of leadership in the Navy. His notable assignments include: SEAL Team 5; NSW Unit 1 and 8; Officer-In-Charge, Naval Special Warfare detachment Key West / Executive Officer, U.S. Army Special Operations Dive School; Commanding Officer, NR Naval Special Warfare Headquarters TWO and FOUR; Commanding Officer, NR U.S. Special Operations Command Headquarters. Most recently, he served as Commanding Officer, NR Group 11 Headquarters and Deputy Commodore, NSW Group 11.

He participated in numerous contingency and combat operations in Iraq, Afghanistan, Horn of Africa, and Kenya. His awards include the Bronze Star, Defense Meritorious Service Medal with three gold stars, Meritorious Service Medal, Joint Service Commendation Medal, Navy Commendation medal with two gold stars, Navy Achievement Medal, and Army Achievement Medal and various unit and service awards.

Captain Plummer holds a Master’s Degree from the Naval Postgraduate School and joint professional education from the Naval War College and National Defense University.


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Command Senior Enlisted Leader Blog: Forward March

Command Sgt. Maj. Shawn Carns, command senior enlisted leader, Combined Joint Task Force-Horn of Africa, discusses his key takeaways after attending the Africa Senior Enlisted Leader Conference in Garmisch-Partenkirchen, Germany.

CJTF-HOA supports multinational effort to save Djiboutian lives, land

Combined Joint Task Force-Horn of Africa (CJTF-HOA) service members provided critical support in a multinational effort to combat a fire at the Douda landfill in Djibouti City, August 14. CJTF-HOA engineers worked alongside Camp Lemonnier, Djiboutian, French and Chinese firefighters to help contain the fire, which was low-level but widespread and encroaching dangerously close to a surrounding village and the civilian airport.

CJTF-HOA deputy commanding general attends Burundi Senior Command, Staff College graduation ceremony

U.S. Air Force Brig. Gen. James R. Kriesel, deputy commanding general of Combined Joint Task Force-Horn of Africa (CJTF-HOA), visited Bujumbura, Burundi, July 18-20 to participate in the Burundi National Defence Force's (BNDF) Senior Command and Staff College (SCSC) graduation.

Task Force Warrior, Japanese Ground Self-Defense Force meet for combative training

U.S. Army Soldiers assigned to Combined Joint Task Force-Horn of Africa (CJTF-HOA) and Japanese Ground Self-Defense Force soldiers participated in a combatives exchange at Camp Lemonnier, Djibouti, July 1 and July 5.

CJTF-HOA, Aga Khan University Hospital explore future partnership

Combined Joint Task Force-Horn of Africa service members performed an on-site survey and subject matter expert exchange at Aga Khan University Hospital, Nairobi, Kenya, July 2-4.