Airplane on Sunday

The sky was a velvety blue with few clouds and perfect weather for their Sunday afternoon walk, a tradition Pricilla and her father had enjoyed since she could first remember. They would play games by naming tall trees, different species of birds, and wave at low-flying airplanes. She loved these walks with her father and looked forward to each Sunday with excitement for a four-year-old. But what horror could take place on this Sunday that could block the memory of every walk?What unspeakable terror had taken place that reigned within her entire soul for years to come?