Ключевые слова: aiming, air, airplane, army, blip, circle, circular, computer, concept, control, danger, design, detect, digital, display, equipment, flying, future, globe, graphic, green, grid, map, military, monitor, numbers, object, picture, protection, radar, round, safety, satellite, scan, scanner, screen, search, shooting, sight, sonar, symbol, system, target, technology, vision, visual, war, weapon,