22nd Maintenance Group The 22nd Maintenance Group is the primary provider for a broad range of maintenance support for the KC-135 Stratotanker fleet assigned here. This includes component repair and equipment maintenance. The group also provides training for all aircraft maintenance technicians assigned to the 22nd Air Refueling Wing and ensures the quality of all maintenance performed on the tankers at McConnell. The 22nd Aircraft Maintenance Squadron provides aircraft maintenance specialists for the KC-135s and is responsible for the flightline maintenance required to launch and recover sorties supporting air refueling operations, both at home and at deployed locations around the globe. The 22nd Maintenance Squadron provides on-and-off equipment maintenance for the assigned KC-135 aircraft for the wing. This includes isochronal inspections, aircraft systems component repair and inspections, aircraft systems component repair and refurbishment, manufacturing and machining of aircraft parts, corrosions control, painting of aircraft and parts, non-destructive inspections and delivery and maintenance of aerospace ground support equipment.