The U.S. Army Corps of Engineers Transatlantic Division serves as USACE’s tip of the spear in one of the most dynamic construction environments in the world, STRENGTHENING PARTNERSHIPS, BUILDING CAPACITY, and ENHANCING SECURITY for our nation, allies, and partners. 

We deliver agile, responsive, and innovative, design, construction, engineering and contingency solutions in support of U.S. Central Command, U.S. Special Operations Command and other global partners to advance national security interests.

Sergeant Major Jun C. Tomagan

Transatlantic Expeditionary District
Published June 30, 2021

Sergeant Major Jun C. Tomagan became the Sergeant Major of the U. S. Army Corps of Engineers (USACE) Transatlantic Expeditionary District, June 28, 2021. As the Senior Enlisted Leader he oversees a command made up of DoD civilians, U. S. Army Soldiers, and contract employees who provide theater-wide engineering solutions and expertise in support of U. S. Coalition, and Host Nation efforts in order to enable the building of partner capacity within the CENTCOM area of responsibility and to support overall CENTCOM mission objectives. 

Sergeant Major Jun C. Tomagan hails from the island of Guam. In June 1999, he enlisted in the U. S. Army and attended One Station Unit Training assigned to B Co. 35th EN BN, Fort Leonard Wood, MO. 

Assignment Highlights: Sergeant Major Tomagan’s assignments include 8th Engineer Battalion, Ft Hood, Texas; Combat Engineer, 16th Engineer Battalion, Giessen, Germany; Combat Engineer, Team Leader and Squad Leader, Training Support Battalion, Fort Leonard Wood, Missouri; Instructor/Writer, 38th Engineer Company (Sapper), Fort Lewis, Washington; Platoon Sergeant, Joint Multinational Training Center, Hohenfels, Germany; Sapper PLT OCT, HHC TRN OCT, 2CR RES, Grafenwoehr, Germany; S-2 NCOIC, E Troop and B Troop, First Sergeant and Operations SGM; 555th EN BDE Plans and Operations SGM, JBLM WA; America’s I Corps Engineer SGM, JBLM WA. 
His deployments include Operation Desert Spring 2000, Operation Iraqi Freedom 03-04, 06-08 and 09-10 and Operation Enduring Freedom as an OCT pre-deployment assessment for 2CR. 

Military and Civilian Education: Basic Leader Course, Advance Leader Course, Senior Leader Course, Battle Staff, and a recent graduate of the NR Class 46 of the Sergeant’s Major Academy performing in the top 20 percent. Sergeant Major Tomagan’s civilian education includes: Graduated from John F. Kennedy High School (Guam); currently working on Bachelor’s Degree in Organizational Leadership through Charleston University. 

Awards and Decorations: Sergeant Major Tomagan’s awards and decorations include the Meritorious Service Medal (2OLC), Army Commendation Medal (“V”/1SOLC/1OLC), Army Achievement Medal (4OLC), Army Good Conduct Medal (7th Award), National Defense Service Medal, Armed Forces Expeditionary Medal, Iraqi Campaign Medal, Global War on Terrorism Service and Expeditionary Medal, Outstanding Volunteer Medal, Humanitarian Service Medal, NCO Professional Development Ribbon (w/numeral 5), Army Service Ribbon, Overseas Service