Target angle a practical matter, the speed differential required to run around a target meant most warships and ocean liners could not be attacked when angle on the bow was greater than 90° . Estimation of target angle is based on the observer's visual identification of target features like differentiating the bow from the stern. Dazzle camouflage patterns pictured in the black and white images illustrate a form of ship camouflage attempting to impair an observer's recognition of ship features. Target angle Target angle is the relative bearing of the observing station from the vehicle being observed. It may be used to
Type 90 AFV Type 90 AFV The Type 90 is an armoured fighting vehicle produced by Chinese company Norinco; it is the successor for the Type 85 AFV of which it uses some components. The Type 90 series was developed for export, and consists of at least 10 different types; its industrial index is YW535. This new type is rather similar to its predecessors Type 85 AFV and Type 89 AFV, but the hull has a different shape, having a vertical lower side wall and a sloping upper side wall. Overall, the Type 90 is bigger and heavier, yet has a lower profile.