Complex sentence: AeroGroup possess and operates the Northrop F-5 (CF-5B) as a fighter lead-in aircraft for training and for other support services and is contracted to provide fighter pilot training for the Botswana Air Force.
Split into simpler sentences: AeroGroup possess and operates the Northrop F-5 (CF-5B) as a fighter lead-in aircraft for training and for other support services. Tactical Air Support and is contracted to provide fighter pilot training for the Botswana Air Force.