DescriptionMilitary Symbol - Friendly Unit (Black&White 1.5x1 Frame)- Radar (NATO APP-6).svg
English: Since publication of the APP-6A standard, the rectangle frame has indicated a friendly unit in NATO usage. In earlier NATO and US standards, all units were depicted with a rectangle regardless of alignment. Hostile units could be indicated with "EN" placed adjacent to the symbol at the bottom right corner.
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