Infanterikanonvagn 91
The Ikv 91 , short for Infanterikanonvagn 91 ( infantry cannon wagon 91 ) , was a high mobility assault gun that was developed to meet the operational requirements of the Swedish Army . 
<triplet> Infanterikanonvagn 91 <subj> assault gun <obj> subclass of <subj> Swedish Army <obj> operator