Combat is chaotic. Identifying friend from foe was critical in historical hand-to-hand fighting and continues to be so in the modern age. From the earliest standing militaries in the Middle East's ...

Air power may have proved lethally effective during the First World War, but the technology was still in its infancy. By 1939, however, European air forces as well as North American and Asian powers ...

Every country that participated in the World War II air war had more than a few types of airplanes, but their design schemes could be distinguished throughout the conflict. The Americans liked to ...