"It will be a silent spring" Desolator from Red Alert 2. Prompt is "DesolatorRA2" along with "Armor,helmet,gas mask,mask,jumpsuit". "Holding Gun" and "Arm Cannon" can work for the weapon but it has the issues with that common to 1.5 models.
DesolatorRA215.safetensors
Same model published on other platforms. May have additional downloads or version variants.