British single-engine fighter jet prepares for takeoffBritish single-engine fighter jet prepares for takeoff
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Drawing of the soviet ant-25 single-engine aircraft in the skyDrawing of the Soviet ANT-25 single-engine aircraft in the sky
American armored, single-seat, twin-engine thunderbolt attack aircraft in flightAmerican armored, single-seat, twin-engine Thunderbolt attack aircraft in flight
Russian manual single machine gun for the shooting range. firearmsRussian manual single machine gun for the shooting range. firearms
Japanese single-seat interceptor fighter of all-metal constructionJapanese single-seat interceptor fighter of all-metal construction
British single-seat fighter aircraft of the first world warBritish single-seat fighter aircraft of the First World War