Description Computer made/mounted on velcro 3.5 inch-90mm 121st MAINTENANCE SQUADRON (AMC) The 121st Maintenance Squadron assigned to 121st Maintenance Group, 21st Air Refueling Wing stationed at Rickenbacker ANGB, OH, is responsible for intermediate-level maintenance on KC-135 aircraft, manages and maintains a munitions stockpile and provides avionics support, performs periodic inspections and structural repair and engine maintenance.
