What innovation did William Hale develop for rocketry?

William Hale is renowned for his development of spin stabilization in rocketry. This innovative technique involves imparting a spinning motion to a rocket while it is in flight, which significantly enhances its stability. By creating centrifugal forces through this spin, rockets are less susceptible to destabilizing aerodynamic forces, thus improving their accuracy and performance during flight.

Spin stabilization has been crucial in the history of rocket design as it allows for better control and precision, especially in the absence of sophisticated guidance systems. This innovation set the stage for advancements in various missile and launch vehicle designs, establishing a foundational principle in rocketry that is still relevant today.