The origins of military helicopters go back to the 1940s when the U.S. Army appointed aviator Igor Sikorsky to build a more advanced version of the VS-300, his first model. This new aircraft, known as ...

Asking whether a chopper can lift a bulldozer may sound preposterous at first, because the physics just don't seem possible. How can a helicopter lift a massive bulldozer using just the lift generated ...

An important aviation milestone was made in 1939 when the Sikorsky VS-300 made its maiden flight, becoming the first successful operational helicopter. It soon introduced the world to a new form of ...