The Joint Support and Enabling Command (JSEC) is a static operational headquarters with multinational personnel directly subordinate to the Supreme Allied Commander Europe (SACEUR). JSEC's task is to ensure seamless, swift, and secure movements of NATO forces through European NATO states – "SACEUR's Rear Area" – to an actual combat area in crisis and war. The designated rear area covers the territory, airspace, and territorial waters to be crossed by the troops to reach their area of operations. Nearly four hundred soldiers and civilians from Albania, Belgium, Bulgaria, Croatia, the Czech Republic, Germany, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, the Netherlands, Norway, Poland, Romania, Slovenia, Spain, Turkey, the United Kingdom and the United States of America will reach full readiness in October 2021 to cover NATO's back.
The commanding officer of the JSEC is Lieutenant General Jürgen Knappe, his command is exercised from the Wilhelmsburg-Kaserne in Ulm, Germany.