Further reading

You can learn more about helicopters at the following link:

https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-a-helicopter-58.html.

You can even research various topics to gain an understanding of helicopters, including the following:

• The most powerful military helicopters in the world
• The top 10 cities in the world where people use helicopters for transport within the city