.THE LATEST movie in the "Mad Maximum" collection, launched in May, is a motorhead's dream, teeming with fighters who ride with a post-apocalyptic desert on choppers, Harley davidson Davidsons as well as dirt bikes. The approaches are unlikely, as well as the physical violence is extreme. However, in recent months something not dissimilar has been occurring in Ukraine. For much of the battle Russia has struck making use of standard "combined-arms" techniques: soldiers progress in armoured motor vehicles, promoted by tanks and weapons, after that dismount to fight on foot for the final handful of hundred metres. Yet considering that April some Russian soldiers have actually been attacking on motorcycles. Why?