Don’t let its size fool you—the Sopwith Pup was one of the most agile and effective fighters of World War I. Armed with a single 7.7mm Vickers machine gun, this lightweight aircraft delivered deadly ...

Case in point, this motorcycle that the British Army had built in and around 1919, complete with a sidecar and what looks to be a Vickers water-cooled machine gun. Dope. According to the post on ...