Multiple rocket launcher
device · 1941 · Electric age
The Katyusha BM-13.
What it is made of
- Truck — has part. On a truck chassis.
Principles and materials it uses
- Solid rocket motor — uses. Rockets.
- Steel — is made of. The launch rails are steel.
device · 1941 · Electric age
The Katyusha BM-13.