A-10 Thunderbolt IIFrom Popular Mechanics:
With the help of some aviation experts and warplane veterans, PM took a look back over the history of single-engine planes, fighters, bombers and attack helicopters. We picked six of the most lethal fliers of the past 100 years, based on their dominance during the years they flew. No battle is one-sided, of course: Check out our feature on anti-aircraft missile and countermeasure research here.