The primary role within 678 Squadron is to be ground crew specialists for the AH-64 Apache helicopter. As ground crew specialists, personnel are predominantly involved with the upload and download of ammunition and refuel of the aircraft. However they provide a full array of logistic support including; movement of fuel and ammunition, reconnaissance of landing sites and ground to air radio communications. They also provide protection for the forward arming and refueling points ensuring the security of all on site.
As a secondary role, 678 Squadron provides helicopter handling teams in support of Joint Helicopter Command and individual battle groups on exercise and operations. These small teams of Army Air Corps soldiers provide onsite helicopter expertise and coordinate the movement of personnel and equipment on any helicopter related task.