British Amazon Class 21 frigate
British escort ship
Military vehicles
warship
warship
The Royal Navy of the United Kingdom
Maritime vehicle
6
Coin
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It is a type of frigate in the British Royal Navy in the 1970 s and 1990 s, designed to replace the old Leopard and Salisbury class frigates. Based on the MK-5/7 patrol ship, the scale-up design is suitable for a wide range of low-to medium-intensity combat tasks, including surface patrol and economic sea area maintenance. The full-load displacement is 3250 tons. In order to reduce the upper weight and facilitate the navigation performance, the superstructure is made of aluminum alloy. As the fire accident exposed the flammable properties of aluminum alloy, the subsequent ships switched to steel to build the superstructure.