Andryusha

BM-31-12 unit based on Studebaker US6*4
(Photo taken from Галерея автомотостарины (Oldtimers picture gallery) English, Русский )
M-30 (or M-31?) 300 mm rockets were named "Andryusha" during war time. Launch frames were mounted on Studebakers US6 (BM-31-12) or ZIS-6.

For more details:

Achtung Panzer (English) (Русский)


Help! I am looking for photos of M-30 and M-31 rockets.