MRLS in game

We need MLRS! it must have more damage than artillery.

MLRS USSR:

bm-13n(132mm)

bm-31-12(300mm)

MLRS GERMANY:

Wurfrahmen 40 (300~310mm)

Panzerwerfer 42 (150mm)

MLRS USA:

M4A1 with M8(114mm)

M4A3 with M8(114mm)