Keywords: NEU SUB.svg APP-6A/MIL-STD-2525A-B symbol frame for affiliation neutral; battle dimension subsurface APP-6A MIL-STD-2525B Change 1 2007-06-21 User Urhixidur Reference Thibault D U ; Commented APP-6A - Military Symbols for Land Based Systems Defence R D Canada “ Valcartier Technical Note TN 2005-222 2005-08-01 APP-6A |