6th Maintenance Group By Providing Logistics Management To Support Worldwide Aerial Refueling and Special Assignment Missions. The 6th Maintenance Group consists of two diverse squadrons with more than 700 personnel. The group manages all wing maintenance resources to include an annual operating budget of more than $12 million as well as aircraft, supplies, and equipment valued at more than $3 billion. 6th Aircraft Maintenance Squadron Providing Reliable Mobile Forces To Generate, Launch, and Recover Air Refueling, Combatant Commander Support, and Transient Aircraft. 6th Maintenance Squadron Maintain and Provide Quality Aircraft, Aerospace Ground Equipment, and Munitions for Team MacDill and Our Global Commitments.