The Joint Communications Support Element (Airborne) (JCSE) is a United States Department of Defense (DoD) standing joint force headquarters expeditionary communications provider that can provide rapid deployable, en-route, early entry, and scalable command, control, communications, and computer (C4) support to the unified combatant commands, special operations commands, and other agencies as directed by the Joint Chiefs of Staff. On order, the JCSE can provide additional C4 services within 72 hours to support larger combined joint task force headquarters across the full spectrum of operations. JCSE is part of the Joint Enabling Capabilities Command (JECC), a subordinate command of the U.S. Transportation Command (USTRANSCOM).