American Air Rescue

Air rescue is a modern technological advancement that delivers power and flexibility to incredibley difficult tasks! Since around 400 BC, Chinese children have played with bamboo flying toys. It was not until the early 1480s, when Italian polymath Leonardo da Vinci created a design for an "aerial screw", but In 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production. Fixe...