FM 1-02.2 governs the construction and use of military symbols for units, activities, equipment, and control measures.
View FM 1-02.2 on armypubs.army.mil
It covers symbol frames, amplifiers, lettering, identity colors, unit and organizational symbols, equipment, control measures, and operation planning symbols. It also addresses tactical mission tasks, course of action sketches, and requirements for acronyms, abbreviations, and control measure labels.
A modifier provides additional capability information. (paragraph 1-8)
Standard identity colors are used as the fill areas for framed symbols. (paragraph 1-9)
No acronyms or abbreviations other than those provided in this publication may be used. (paragraph 5-4)
Symbol makers make all text labeling in upper case letters. (paragraph 5-5)
In general, linear control measures shall be a solid line when indicating present status and a dashed line when indicating suspected or planned status, as depicted in table 5-1. (paragraph 5-6)