The Schwerer Wehrmachtschlepper (sWS) was developed as a medium half-track and used to transport supplies to front-line troops or as a towing vehicle the light artillery. However, in the big rear flat load compartment several other applications have been developed. One modification ended up being the Panzerwerfer 42 auf sWS, a 10 barreled 15 cm Nebelwerfer 42 rocket launched placed over an armored ammunition storage compartment. The rocket launcher, developed as unit to generate smoke displays, was quickly utilized as genuine artillery capable launch high-explosive ammunitions. It might shoot the rocktes with impressive and lethal results. The initial structure of transport vehicle ended up being strengthened with extra shields to safeguard the crew from the enemy fire and from unwanted effects of the rocket launcher.
