The AC-130 is the world's biggest flying artillery gunship - nicknamed 'Hell in the Sky.' With three side-firing weapons, a 25mm Gatling gun, a 40mm Bofors cannon, and a 105mm howitzer ...

A turboprop engine system features propellers, which generate thrust by changing the air flow through their action ... C-130 Hercules are proponents of the propeller, even with the AC-130 gunship ...