Join the resistance in an alternate reality where the allies lost WW2 and...
The classic infantry support weapon. As with most armies of the period, the Poles adopted the 81mm medium mortar. Capable of laying down a rain of shells in short time, this is the weapon you want to either smother the foe with firepower or to break up any assault on your position.
Two teams for two different situations. For the close, gritty combat, no weapon fares better than the flamethrower, ready to turn your opponent to cinders. Whilst the sniper patiently waits upon a hill, finding the enemy NCO or Lieutenant and ready to create havoc among the backline.
The PIAT was the British equivalent to the American bazooka. It had the same role as the main hand-held anti-tank weapon amongst infantry formations. The PIAT (Projector Infantry Anti-Tank) was developed from a spigot mortar design and fire a shaped charge missile with an effective range of 100 metres.