Hydra 70 Rocket v2
The Hydra 70 rocket is a 2.75-inch fin-stabilized unguided rocket used primarily in the air-to-ground role.
It can be equipped with a variety of warheads, and in more recent versions, guidance systems for point attacks.
Link for 3D model:
https://www.cgtrader.com/3d-models/military/rocketry/hydra-70-rocket-v2