Folding-Fin Aerial Rocket
| Folding-Fin Aerial Rocket / Mighty Mouse | |
|---|---|
A Mighty Mouse rocket at Steven F. Udvar-Hazy Center in Virginia | |
| Type | Air-to-air rocket, air-to-surface rocket |
| Place of origin | United States |
| Service history | |
| Used by | United States military |
| Specifications | |
| Diameter | 2.75 inches (70 mm) |
| Warhead | various |
| Engine | Solid-fuel rocket |
Guidance system | None |
The Mk 4 Folding-Fin Aerial Rocket (FFAR), also known as "Mighty Mouse", is an unguided rocket used by United States military aircraft. It was 2.75 inches (70 mm) in diameter. Designed as an air-to-air weapon for interceptor aircraft to shoot down enemy bombers, it primarily saw service as an air-to-surface weapon. The FFAR has been developed into the modern Hydra 70 series, which is still in service.