The 21st Theater Sustainment Command is lead organization for all sustainment activities for U.S. Army Europe.  Team 21 provides combat engineers, military police and medical professionals during partnership training and other operations supporting U.S. Army Europe, NATO, U.S. European Command, U.S. Africa Command and U.S. Central Command. Headquartered in Kaiserslautern, Germany, Team 21 is comprised of more than 10 subordinate units positioned throughout Strong Europe's  area of responsibility. As a result, First in Support Soldiers are  key enablers, unified  and synchronization for action whenever and where ever needed.

Team 21 executes mission command of operational sustainment across the European Theater, conducts reception, staging, onward movement and integration thereby setting the Atlantic Resolve joint operational area; executes theater opening, theater distribution and theater sustainment supporting  U.S. European Command and NATO operations; and, as directed executes joint security operations and support to U.S. Africa Command operations.