Complex sentence: Tyndall AFB was struck by a tornado in 2003, causin an estimated $250,000 worth of damage to 10 facilities and more than 30 vehicles in the area.
Split into simpler sentences: Tyndall AFB was struck by a tornado in 2003. The tornado caused an estimated $250,000 worth of damage to 10 facilities and more than 30 vehicles in the area.