The 3rd ESC shoulder sleeve insignia consists of three blue arrows pointing outwards, representing the Command's numerical designation and mission to provide combat support wherever it is needed.
When Seventh Army was reduced to token representation, V and VII corps became separate commands subordinate to USAREUR.
The headquarters deployed a second time to Iraq in 2005 assuming control of over 20,000 soldiers while continuing to provide sustainment and distribution to Coalition Forces.
Upon returning to Germany in September 2006, 3d COSCOM personnel began preparations to relocate the unit colors for the sixth time in its history.
The unit moved to Fort Knox, Kentucky in June 2007 and on 16 September 2007 the 3d COSCOM transformed into the 3d Sustainment Command (Expeditionary).
After relocating to Fort Knox, the unit received personnel, equipment, and the mission to redeploy for a third-time to Iraq.
The 3rd ESC was responsible for successfully reducing the theater during the final stages of OEF and setting the conditions for Operation Resolute Support, beginning in 2015.
The 3rd ESC accomplished, what is seen as arguably the largest and most demanding retrograde of equipment and personnel in the Army's modern era.
During the deployment, the 3d ESC managed the closing or transfer of 61 bases, retrograded nearly 5,500 vehicles and more than 105,000 pieces of other equipment, all while sustaining U.S. and coalition forces across Afghanistan's six regional commands.
Afghanistan is a landlocked country and to retrograde equipment it was necessary to use every possible transportation node while at the same time placing an emphasis on the stewardship of resources and creating efficiencies.
From 19 January to 3 February, the 3d ESCA's formation grew to a Joint Logistics Command supporting over 18,000 soldiers, sailors, airmen, Marines, Coast Guardsmen, civilians, USAID, NGO, DVO and other governmental agencies.
Before redeploying on 9 March 2010, the 3d ESC provided humanitarian aid and medical support to the Haitian people as well as transportation, field services and sustainment for U.S. forces deployed in and around Haiti.
[1] In 2017, the United States Army North (ARNORTH) appointed the 3rd ESC to have mission command over sustainment operations as part of the response efforts for the aftermaths of hurricanes Harvey in Texas, Irma in Florida, and Maria in Puerto Rico.
During this mission the 3rd ESC unified efforts in a Joint Operations Area (JOA) with other organizations such as the Federal Emergency Management Agency (FEMA) and the Defense Support of Civil Authorities (DSCA), as well as elements from the U.S. Navy and U.S. Air Force.
The 3rd ESC successfully deployed logistic capabilities in response of widespread damage, loss of power, and humanitarian crisis triggered by the lack of food, water and other supplies.
The 3rd ESC's task organization while having mission command included elements from sustainment, medical, and military police units.
As part of the contingency operations that COVID-19 triggered, the XVIII Airborne Corps designated the 3rd ESC to provide sustainment capabilities in New York in the beginning of 2020.
The 3rd ESC was integral during the evacuation of over 100,000 Afghan nationals and the joint draw down of 7,000 troops during the operation in Hamid Karzai International Airport (HKIA).
This operation, where the Army, Air Force, Department of State, and Non-Governmental Organizations were involved, is considered the largest NEO in U.S. history.