the Wright brothers
Physicist Robert Watson-Watt helped to design the ground-controlled radar system for aircraft landings during World War II. He is considered one of the pioneers of radar technology.
pioneers'
They were the first pioneers. if they had not tried making the plane air travel would be no where near as where it is today. They inspired the idea and built the first flying aircraft.
They used gliders due to the fact that engines are hard to make/power. Also aluminum(useful due to weight to strength ratio) was very rare. Gliders also laid the framework to useful powered aircraft designs.
pioneers of what
the pioneers of a barber is your dick
the pioneers travel bywagons.
Pioneers would know how, otherwise they wouldn't be pioneers ;)
Pioneers - 2009 Pioneers Jean Beliveau 1-4 was released on: USA: February 2009
The faced the danger of crashing to the earth from the sky. Because they were the pioneers of flight, they designed and tried flying the aircraft they designed. They were never certain if it would really actually fly.
The Pioneers took food,weopons, and suplies
pioneers built their own houses