Helicopters are fast and impressive military aircraft. But did you know they can take off without a runway? Or that they can land in the water? Discover what makes these incredible feats possible in this look at these awesome aircraft
Learn about different military vehicles in the Military Machines series--part of the Lightning Bolt Books(TM) collection. With high-energy designs, appealing photos, and lively text, Lightning Bolt Books(TM) bring nonfiction topics to life