This airway is very congested.

My father works for a major airline.

He likes to take a walk in the park at dusk.

Operating a drone is difficult.

We should always remember the power of Kannon in difficult times.

The National Aeronautics and Space Administration announced a new space exploration plan.

The National Aeronautics and Space Administration announced a new space exploration plan.

The North American Aerospace Defense Command is responsible for the aerospace defense of North America.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.