| Era | Description |
|---|
| Early Helicopter Era (1930s–1950s) | First viable rotary aircraft |
| Utility Expansion Era (1950s–1970s) | Transport, medevac, early combat |
| Attack Helicopter Era (1970s–1990s) | Dedicated armed rotary platforms |
| Modern Multi-Role Era (1990s–Present) | Advanced avionics, diverse missions |
| Unmanned Rotary Era (Emerging) | Drone helicopters and autonomy |
Military Vehicles
