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A heavy four-engine bomber is flying in the sky
Heavy four - engine Avro Lancaster bomber
Heavy four - engine Lancaster bomber
Heavy Bomber Flying Fortress
Drawing of a British heavy four-engine bomber
A heavy black military helicopter takes off from the desert
Drawing of a German heavy tank in the field
Drawing of the Soviet kv-1 heavy tank
The moment of the battle of the heavy tank in motion
Medium-heavy tank in the field
Soviet Mi-6 heavy helicopter
American heavy four - engine bomber