APP-6A/MIL-STD-2525A-B symbol frame for affiliation: hostile; battle dimension: ground (unit), equipment, or sea surface.
<a href="//commons.wikimedia.org/wiki/User:Urhixidur" title="User:Urhixidur">Urhixidur</a>
2007-06-21
APP-6A, MIL-STD-2525B Change 1