Warpaint Series WPS106 Sikorsky S-55 and Westland Whirlwind

Sikorsky S-55 Chickasaw and Westland Whirlwind The S-55 was deemed to be the first completely successful design for helicopter entrepreneur Igor Sikorsky, the type first entering service with all three United States services in the early 1950s Korean War years and going into mass production, seeing service with vast number of countries worldwide.