Rust is a typical downside for MLRS (A number of Launch Rocket Techniques), as it could actually trigger the rockets to malfunction and even explode. There are just a few other ways to repair MLRS rust, relying on the severity of the issue.
For minor rust spots, you should use a wire brush or sandpaper to take away the rust. As soon as the rust is eliminated, you’ll be able to apply a rust-resistant primer and paint to guard the metallic from additional corrosion.